TAG: "Tobacco"

Many young smokers aren’t aware of hookah dangers


Survey finds many young adults believe that smoking hookah is not harmful to their health.

In a UCLA survey, 60 percent of respondents said hookah smoking is a trendy way of socializing. (Photo by Fredler Brave)

Despite warnings from the Centers for Disease Control and Prevention that hookah smoking can be just as dangerous as cigarettes, many young adults believe that using the water pipes is not harmful to their health, according to a UCLA School of Nursing study.

Researchers visited three Southern California hookah lounges and asked patrons between the ages of 18 and 30, “Do you believe smoking hookah is harmful to your health?” Fifty-seven percent said they thought that it was not. When asked why they thought hookahs were not harmful, 47 percent of the participants said they believed that the smoke gets filtered through water, and 35 percent said they thought that fruit used to flavor the tobacco detoxify tobacco’s harmful chemicals. Still others, 16 percent, said they assumed hookahs are not harmful because the tobacco is not addictive and does not contain nicotine.

Unfortunately, none of those beliefs is true.

“With hookah smoking on the rise, particularly among young adults, our goal was to identify factors influencing perceptions, attitudes and preferences toward hookah smoking,” said Mary Rezk-Hanna, a UCLA nursing doctoral student and lead researcher for the study, which was published in the July–August issue of the journal Nursing Research.

Other recent studies have shown that even as cigarette use continues to decline, hookah smoking is increasing, especially among college students. It is the only form of tobacco use that is not regulated in the United States, and its exemption from clean indoor air legislation, such as the California Clean Air Act, is contributing to its rapidly growing popularity. In California alone, there are more than 2,000 shops that sell hookah tobacco and related products, in addition to 175 hookah lounges and cafes, and a disproportionate number of them are in Los Angeles, near universities and colleges.

When asked why hookah smoking is more attractive than cigarette smoking, 60 percent of the participants in the UCLA study said it is a trendy way of socializing. And although 43 percent of hookah smokers said they believe the practice is indeed harmful, “socializing with friends appeared to outweigh health concerns,” Rezk-Hanna said.

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Survey finds e-cigarette online market filled with many brands


Hundreds of brands, thousands of flavors available online.

A survey finds that there are currently 446 e-cigarettes brands online.

Researchers at the UC San Diego School of Medicine have completed the first comprehensive survey of e-cigarettes for sale online and the results, they believe, underscore the complexity in regulating the rapidly growing market for the electronic nicotine delivery devices.

The survey, published in a special supplement today (June 16) of the journal Tobacco Control, found that 10 new e-cigarette brands entered the Internet marketplace every month, on average, from 2012 to 2014, and that there are currently 466 e-cigarette brands online, offering more than 7,700 flavors, including candy flavors such as gummy bear and marshmallow, that may appeal to children. In contrast, traditional cigarettes sold in the United States can be marketed in just two flavors: tobacco and menthol.

The scientists also documented a shift in the marketing of e-cigarettes, with newer brands selling customizable e-cigarettes that might look nothing like an old-fashioned tobacco cigarette. For example, some resemble pens, flashlights, even a violin.

The marketing messages also change with the products: Older brands were more likely to claim that e-cigarettes were healthier or cheaper than smoking, or that e-cigarettes could help people quit smoking. Newer brands are less inclined to making these claims. Instead, their marketing is focused on consumer choice, such as flavors or models.

“It almost seems that newer brands don’t want to be compared to cigarettes, which are associated with the image of cancer,” said lead author Shu-Hong Zhu, Ph.D., professor of family and preventive medicine and director of the Center for Research and Interventions in Tobacco Control at UC San Diego.

Smoking-related diseases are the leading cause of preventable death worldwide, estimated to be responsible for 6 million deaths annually. Although smoking rates among American adults have declined by more than half, from 42 percent in 1965 to 18 percent in 2012, tobacco use in the United States is still responsible for nearly 1 in 5 deaths, according to the American Cancer Society. E-cigarettes vaporize nicotine, the addictive ingredient in tobacco products. They first became available in the U.S. in 2007 and have since stoked controversy about whether they improve or worsen public health by reducing tobacco cigarette consumption or provide an alternative way to consume nicotine.

“Some consider them promising products to help smokers quit traditional cigarettes, while others believe they will re-normalize smoking, which will keep more people smoking,” Zhu said.

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Poor health, lifestyle factors linked to memory complaints


Early complaints often precursors to significant decline in later life, UCLA/Gallup study says.

Gary Small, UCLA

If you’re depressed, don’t get enough exercise or have high blood pressure, you may find yourself complaining more about memory problems, even if you’re a young adult, according to a new UCLA study.

UCLA researchers and the Gallup organization polled more than 18,000 people about their memory and a variety of lifestyle and health factors previously shown to increase the risk of Alzheimer’s disease and dementia. They found that many of these risk factors increased the likelihood of self-perceived memory complaints across all adult age groups.

The findings, published in today’s (June 4) edition of the journal PLOS ONE, may help scientists better identify how early lifestyle and health choices impact memory later in life. Examining these potential relationships, researchers say, could also help to pinpoint interventions aimed at lowering the risk of memory issues.

The 18,552 individuals polled ranged in age from 18 to 99. The known risk factors the researchers focused on included depression, lower education levels, physical inactivity, high blood pressure, diabetes, obesity and smoking. They were surprised by the prevalence of memory issues among younger adults, said the study’s senior author, Dr. Gary Small, UCLA’s Parlow–Solomon Professor on Aging and director of the UCLA Longevity Center.

“In this study, for the first time, we determined these risk factors may also be indicative of early memory complaints, which are often precursors to more significant memory decline later in life,” said Small, who is also a professor of psychiatry and biobehavioral sciences at the Semel Institute for Neuroscience and Human Behavior at UCLA.

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UCSF e-cigarette study shows industry health claims unsupported by data


E-cigarettes should be regulated, according to UCSF scientists.

Stanton Glantz, UC San Francisco

In a major scientific review of research on e-cigarettes, UC San Francisco scientists found that industry claims about the devices are unsupported by the evidence to date, including claims that e-cigarettes help smokers quit.

The review marks the first comprehensive assessment of peer-reviewed published research into the relatively new phenomenon of electronic cigarettes.

The devices, which are rapidly gaining a foothold in popular culture particularly among youth, are marketed as a healthier alternative to tobacco smoking, as an effective tool to stop smoking, and as a way to circumvent smoke-free laws by allowing users to “smoke anywhere.” Often the ads stress that e-cigarettes produce only “harmless water vapor.”

But in their analysis of the marketing, health and behavioral effects of the products, which are unregulated, the UCSF scientists found that e-cigarette use is associated with significantly lower odds of quitting cigarettes. They also found that while the data are still limited, e-cigarette emissions “are not merely ‘harmless water vapor,’ as is frequently claimed, and can be a source of indoor air pollution.

Neal Benowitz, UC San Francisco

The long-term biological effects of use are still unknown, the authors said.

In tackling the question of whether e-cigarette use is helping or harming the nation’s tobacco control efforts, the authors analyzed 84 research studies on e-cigarettes and other related scientific materials.

They concluded that e-cigarettes should be prohibited wherever tobacco cigarettes are prohibited and should be subject to the same marketing restrictions as conventional cigarettes.

The paper is published May 12 in the American Heart Association’s journal Circulation.

E-cigarettes deliver a nicotine-containing aerosol popularly called “vapor” to users by heating a solution commonly consisting of glycerin, nicotine and flavoring agents. E-liquids are flavored, including tobacco, menthol, coffee, candy, fruit and alcohol flavorings.

Despite many unanswered questions about e-cigarette safety, the impact on public health, and whether the products are effective at reducing tobacco smoking, e-cigarettes have swiftly penetrated the marketplace in the United States and abroad in both awareness and use. Sold by the major multinational tobacco and other companies, the devices are aggressively marketed in print, television and the Internet with messages similar to cigarette marketing in the 1950s and 1960s, even in the U.S. and other countries that have long banned advertising for cigarettes and other tobacco products.

Rachel Grana, UC San Francisco

In one indication of the swiftness by which the devices have been embraced, in the U.S. youth “ever use” of the devices rose from 3.3 percent in 2011 to 6.8 percent the following year; in Korea, youth “ever use” of e-cigarettes rose from 0.5 percent in 2008 to 9.4 percent in 2011. “Ever use” means whether one has smoked the product even just once.

Furthermore, most adults and youths who use e-cigarettes are engaging in “dual use” – smoking both e-cigarettes and conventional cigarettes.

While most youth using e-cigarettes are dual users, up to a third of adolescent e-cigarette users have never smoked a conventional cigarette, indicating that some youth are starting use of the addictive drug nicotine with e-cigarettes.

The report also tackles secondhand exposure.

“E-cigarettes do not burn or smolder the way conventional cigarettes do, so they do not emit side-stream smoke; however, bystanders are exposed to aerosol exhaled by the user,” said the authors. Toxins and nicotine have been measured in that aerosol, such as formaldehyde, acetaldehyde, acetic acid and other toxins emitted into the air, though at lower levels compared to conventional cigarette emissions.

One study of e-cigarettes was conducted to resemble a smoky bar: the researchers found that markers of nicotine in nonsmokers who sat nearby was similar for both cigarette smoke and e-cigarette aerosol exposure. Short-term exposure studies of e-cigarette use show a negative impact on lung function and bystanders absorb nicotine from passive exposure to e-cigarette aerosol, the authors report.

While early research found that e-cigarettes resulted in lower levels of plasma nicotine than conventional cigarettes, more recent research demonstrated that experienced users can attain nicotine absorption similar to that with conventional cigarettes.

When UCSF scientists pooled the results of five population-based studies of smokers, they found that smokers who used e-cigarettes were about a third less likely to quit smoking than those who did not use e-cigarettes. Whether e-cigarette use prevents attempts to quit or whether people who choose to use e-cigarettes are more highly dependent and therefore have a harder time quitting remains to be determined.

The scientists said their research illustrates the need for product regulation.

“While it is reasonable to assume that, if existing smokers switched completely from conventional cigarettes (with no other changes in use patterns) to e-cigarettes, there would be a lower disease burden caused by nicotine addiction, the evidence available at this time, although limited, points to high levels of dual use of e-cigarettes with conventional cigarettes, no proven cessation benefits, and rapidly increasing youth initiation with e-cigarettes,” the authors wrote.

“Furthermore, high rates of dual use may result in greater total public health burden and possibly increased individual risk if a smoker maintains an even low-level tobacco cigarette addiction for many years instead of quitting.”

The authors are Rachel Grana, Ph.D., M.P.H., a postdoctoral fellow at the UCSF Center for Tobacco Control Research and Education (CTCRE); Neal Benowitz, M.D., a UCSF professor of medicine and bioengineering and therapeutic sciences and chief of the division of clinical pharmacology at San Francisco General Hospital and Trauma Center; and Stanton Glantz, Ph.D., professor of medicine at UCSF, director of the CTCRE and the American Legacy Foundation Distinguished Professor in Tobacco Control.

The same authors have previously published general information on e-cigarettes.

The paper is a condensed and updated version of a longer report by Grana, Benowitz and Glantz with the support of the World Health Organization. Additional support came from the University of California Tobacco Related Disease Research Program and the National Cancer Institute and Food and Drug Administration Center for Tobacco Products.

Benowitz is a consultant to several pharmaceutical companies that market smoking cessation medications and has been a paid expert witness in litigation against tobacco companies.

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E-cigarettes and mental health


People with mental health conditions found more likely to use nicotine-delivery devices.

Researchers at the UC San Diego School of Medicine report that people living with depression, anxiety or other mental health conditions are twice as likely to have tried e-cigarettes and three times as likely to be current users of the controversial battery-powered nicotine-delivery devices, as people without mental health disorders.

They are also more susceptible to trying e-cigarettes in the future in the belief that doing so will help them quit, the scientists said. The FDA has not approved e-cigarettes as a smoking cessation aid.

The study will be published in today’s (May 13) online issue of Tobacco Control.

“The faces of smokers in America in the 1960s were the ‘Mad Men’ in business suits,” said lead author Sharon Cummins, Ph.D., assistant professor in the Department of Family and Preventive Medicine. “They were fashionable and had disposable income. Those with a smoking habit today are poorer, have less education, and, as this study shows, have higher rates of mental health conditions.”

By some estimates, people with psychiatric disorders consume approximately 30 to 50 percent of all cigarettes sold annually in the U.S.

“Since the safety of e-cigarettes is still unknown, their use by nonsmokers could put them at risk,” Cummins said. Another concern is that the widespread use of e-cigarettes could reverse the social norms that have made smoking largely socially unacceptable.

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Taxpayer donations give boost to cancer research


Checking a box can help save lives.

By Wallace Ravven

Nobody looks forward to the April 15 tax-filing deadline, but it’s not all gloom. Every year, thousands of Californians brighten the outlook for cancer prevention and treatment by using tax time to make a donation to research and community-based education.

Donations help support a wide range of programs, from leading-edge research aimed at early detection of lung cancer to exploring with teens the toxins found in everyday beauty products.

Taxpayers can support research and community education through the California Breast Cancer Research Program (CBCRP) with a check-off on line 405 of California Tax Form 540. Line 413 furthers projects funded by the Tobacco-Related Disease Research Program (TRDRP), which focuses on cancer and other diseases caused by tobacco products.

The University of California administers both programs, and puts a priority on projects aimed at communities that are disproportionately at risk for cancer.

Reducing breast cancer risk among young Latinas

An innovative community health partnership in East Salinas, for example, teaches young Latinas about the potential breast cancer risk posed by the chemicals that are found in some cosmetics, shampoos and other personal care products.

Funded by the CBCRP, the project has brought together UC Berkeley public health professor Kim Harley with Kimberly Parra at the Clinica de Salud del Valle de Salinas to carry out cancer-risk research and offer health education and practical training to teens.

Harley focuses her work on chemicals that can act as endocrine disrupters, meaning they mimic or block the normal effects of hormones such as estrogen. Endocrine disrupters are suspected of being a key factor in the development of breast cancer.

Young girls and minority women tend to have higher levels of the chemicals in their blood than non-Hispanic whites.

Sixteen local youths have been trained to design and carry out research to determine what products local teens use, the amount of endocrine disrupters they are exposed to in these products, and whether switching to low-chemical alternatives will decrease their exposure.

“Working with teens in this community has been really rewarding,” Harley says.  “We have watched them learn that science can be accessible and fun, and relevant to their lives.

“At the same time, we have learned from them about what environmental health issues are important to them. It has really helped us conduct effective, appropriate research that can affect change among youth.”

The prevention message is spreading beyond the teens involved: Two local TV news stations — one English-language, the other Spanish-language — have reported on the project. And both the teen researchers and their subjects are sharing what they learn about endocrine disrupters with friends and family.

Targeting cancer in the brain

Prevention holds the greatest promise for reducing cancer illness and death, but treatment forms the crucial second line of defense.

When breast cancer cells spread to the brain, the disease becomes particularly difficult to treat. The body’s natural physiological buffer, known as the blood-brain barrier, prevents bacteria and other blood-borne invaders from entering the brain, but also closes the door to chemotherapy targeting the brain.

At the University of Southern California, Axel Schönthal is applying CBCRP tax check-off funds to developing a novel strategy that would allow chemotherapy drugs to reach the brain through inhalation.

The drug, commonly known as temozolomide, has been proven effective against particularly aggressive brain tumors, but it must be given orally and can cause severe side effects throughout the body.

Schönthal predicts that inhalation of the drug will increase effectiveness in destroying cancer cells in the brain while reducing side effects. He expects that the intranasal treatment can work well against many types of breast cancer that have metastasized to the brain, particularly cancers that have proved resistant to most other drugs.

Such difficult-to-treat cases, called triple-negative breast cancer, are particularly prevalent in African-American women.

As federal NIH budget cuts have increased, Schönthal says, the tax check-off contributions for CBCRP-funded projects have become a lifeline for research aimed at treating and curing a range of cancers.

He especially values the fact that patient advocates are often part of the team that evaluates CBCRP research proposals.

“It is important that funding focuses on research of importance to affected communities,” Schönthal says.

Early detection of cancer’s leading killer

Lung cancer is the leading cause of cancer death in both men and women in the U.S., and smoking accounts for more than 80 percent of lung cancer cases.  Many smokers contract a less familiar but debilitating disorder called chronic obstructive pulmonary disease, or COPD, before they are diagnosed with lung cancer.

Lung cancer and COPD don’t strike all smokers, and genetics almost certainly influences disease vulnerability.

Identifying the genetic underpinnings common to both lung cancer and COPD vulnerability may reveal the biological processes that are triggered by smoking — creating new avenues for early warnings and novel interventions.

Cancer epidemiologist Lori Sakoda at the Kaiser Permanente Division of Research has launched a study supported by TRDRP to search for genetic traits shared by people with either or both diseases.

Although resisting smoking or breaking the habit are the surest way to prevent cancer and COPD, “once lung cancer develops, it is potentially curable if it is caught before it metastasizes, so early diagnosis is crucial,” Sakoda says.

Low-dose CT scans have become an accepted early detection strategy, but like any screening test, it carries risks. Sakoda’s research seeks to identify genetic markers that might help clinicians zero in on which subgroup of chronic smokers is at highest risk for either or both diseases, and so, pinpoint them as strong candidates for CT screening.

The study focuses on former or current smokers from a large, ethnically diverse cohort of Kaiser Permanente Northern California members.

Lowering the dose

A second TRDRP-funded study aims to determine the lowest possible CT dose that can reliably detect small nodules that mark the early stages of lung cancer.

“We want to find just how far we can ‘dial down’ CT dose without losing critical sensitivity,” says UCLA’s Michael McNitt-Gray. Drawing on CT scans of patients that already show telltale cancer nodules, his team applies imaging software to simulate the clarity that would be provided by scanning with lower CT exposures.

“It’s like trying to see how low you can turn down the light in a room and still clearly see,” he says.

McNitt-Gray hopes the exposure can be reduced significantly beyond currently accepted methods for screening CT exams — “possibly by as much as 50 to 75 percent without sacrificing our ability to detect those small nodules.”

“Detecting lung cancer in its earliest stages can save lives,” says Bart Aoki, Ph.D., director of the Tobacco-Related Disease Research Program. “We are very pleased to be able to support projects that foster awareness in underserved communities as well as research by the outstanding scientific community in California.”

Both the Tobacco-Related Disease Research Program and California Breast Cancer Research Program receive financial support from a California tax on tobacco products. As smoking rates decline, so too, does their funding for these important projects.

“Reduced smoking is of course great news for improving public health, but it threatens our ability to fund significant research,” says Marion Kavanaugh-Lynch, M.D., MPH, director of the California Breast Cancer Program. “We depend on California taxpayers to help offset this decline by voluntary contributions on their tax returns.”

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Study: E-cigarettes a gateway to nicotine addiction for U.S. teens


First national analysis strongly associates e-cigarettes with smoking for many adolescents.

Lauren Dutra, UC San Francisco

E-cigarettes, promoted as a way to quit regular cigarettes, may actually be a new route to conventional smoking and nicotine addiction for teenagers, according to a new UC San Francisco study.

In the first analysis of the relationship between e-cigarette use and smoking among adolescents in the United States, UCSF researchers found that adolescents who used the devices were more likely to smoke cigarettes and less likely to quit smoking. The study of nearly 40,000 youth around the country also found that e-cigarette use among middle and high school students doubled between 2011 and 2012, from 3.1 percent to 6.5 percent.

“Despite claims that e-cigarettes are helping people quit smoking, we found that e-cigarettes were associated with more, not less, cigarette smoking among adolescents,” said lead author Lauren Dutra, a postdoctoral fellow at the UCSF Center for Tobacco Control Research and Education.

“E-cigarettes are likely to be gateway devices for nicotine addiction among youth, opening up a whole new market for tobacco,” she said.

The study was published online today (March 6) in JAMA Pediatrics.

E-cigarettes are battery-powered devices that look like cigarettes and deliver an aerosol of nicotine and other chemicals. Promoted as safer alternatives to cigarettes and smoking cessation aids, the devices are rapidly gaining popularity among adults and youth in the U.S. and around the world. Unregulated by the U.S. Food and Drug Administration, e-cigarettes have been widely promoted by their manufacturers as a way for people to quit smoking conventional cigarettes. They are sold in flavors such as chocolate and strawberry that are banned in conventional cigarettes because of their appeal to youth.

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Cigarette smoking may cause physical changes in brains of young smokers


These changes can occur in those who have been smoking for a relatively short time.

The young, it turns out, smoke more than any other age group in America. Unfortunately, the period of life ranging from late adolescence to early adulthood is also a time when the brain is still developing.

Now, a small study from UCLA suggests a disturbing effect: Young adult smokers may experience changes in the structures of their brains due to cigarette smoking, dependence and craving. Even worse, these changes can occur in those who have been smoking for a relatively short time. Finally, the study suggests that neurobiological changes that may result from smoking during this critical period could explain why adults who began smoking at a young age stay hooked on cigarettes.

The study appears in today’s (March 3) online edition of the journal Neuropsychopharmacology.

“Although we are not certain whether the findings represent the effects of smoking or a genetic risk factor for nicotine dependence, the results may reflect the initial effects of cigarette smoking on the brain,” said senior author Edythe London, a professor of psychiatry and of molecular and medical pharmacology at UCLA’s Semel Institute for Neuroscience and Human Behavior and David Geffen School of Medicine. “This work may also contribute to the understanding of why smoking during this developmental stage has such a profound impact on lifelong smoking behavior.”

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Study connects smoke-free laws, dentists’ advice to quit


Smoke-free laws can help influence behavior and attitudes.

Cigarette buttsSmoke-free laws may help encourage dentists to recommend that their patients kick the smoking habit, according to new research co-authored by UC Merced professsor Mariaelena Gonzalez.

The paper, published in the American Journal of Public Health, suggests the societal change manifested by smoke-free laws can contribute to an atmosphere in which dentists pay more attention to patients’ smoking habits.

“Smoke-free laws can have strong effects – and not just on stopping individual-level behavior,” said Gonzalez, whose research focuses on tobacco control. “These laws can influence other behavior and attitudes, as our study shows with dentists. They can have a huge effect on people’s preferences, such as a preference for clean indoor air. Even smokers like clean indoor air.”

Gonzalez co-authored the study “Association of Strong Smoke-Free Laws with Dentists’ Advice to Quit Smoking, 2006-2007,” with Stanton A. Glantz, a professor of medicine at UC San Francisco, and Ashley Sanders-Jackson, a postdoctoral fellow at Stanford University. All three have been associated with the UCSF-based Center for Tobacco Control Research and Education, where Glantz is the director.

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In denial: Some who smoke say they’re not ‘smokers’


Why some “non-identifying smokers” face risks while denying the behavior.

While smoking among California adults has dramatically declined in recent decades, researchers at the UC San Diego School of Medicine report there is a surprisingly large number of people who say they use cigarettes, but don’t consider themselves to be “smokers.”

Writing in the Feb. 5 online issue of Tobacco Control, Wael K. Al-Delaimy, M.D., Ph.D., professor and chief of the Division of Global Health in the UC San Diego Department of Family and Preventive Medicine, and colleagues estimate that in 2011 almost 396,000 Californians (12.3 percent of the state’s population of smokers) smoked on a measurable basis, but rejected the characterization of “smoker.”

Almost 22 percent of these smokers consumed tobacco on a daily basis.

Al-Delaimy said the phenomenon has both individual and social ramifications. For individuals, the behavior puts them at many of the same health risks as identified smokers. “There is no safe level of smoking,” he said.

More broadly, non-identification of “non-identifying smokers” or NIS may be negatively impacting efforts to reduce tobacco consumption by overlooking a significant segment of the affected population, the researchers said. This is especially true at the clinical setting where physicians might ask patients if they smoke and patient fail to identify themselves as smokers.

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New movement focuses on paradox of cigarette sales in pharmacies


UCSF scientists, major pharmacy launch national move to halt tobacco sales in drugstores.

Steven Schroeder, UC San Francisco

Pharmacies, focused on the health and well-being of their customers, have long been saddled with a paradox: they sell cigarettes and other tobacco products, even though tobacco use is the nation’s leading cause of preventable death.

If retailers, particularly pharmacies, were to discontinue selling cigarettes, fewer smokers and fewer deaths by smoking would occur, according to a new opinion article co-written by a UC San Francisco scientist. That’s also the premise behind a new decision by CVS Caremark, the nation’s largest pharmacy health care company, to end cigarette and tobacco sales in its stores this year.

In a Viewpoint article published online today (Feb. 5) in JAMA, the Journal of the American Medical Association, the authors say that selling tobacco products is “clearly antithetical” to the role of pharmacies, especially as pharmacies expand their role as an integral part of the nation’s health care system.

The JAMA Viewpoint is written by Troyen A. Brennan, M.D., M.P.H., executive vice president and chief medical officer of CVS Caremark; and Steven A. Schroeder, M.D., a UCSF professor and director of the Smoking Cessation Leadership Center.

Casting a harsh light on tobacco sales in drugstores, the authors say that selling tobacco products contradicts a commitment to health care.

The goal of the authors: eliminate tobacco sales in America’s drugstores.

“Nowhere else in health care are tobacco products available in the same setting where diseases are being diagnosed and treated,” they write.

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Thirdhand smoke shown to cause health problems


Study shows thirdhand smoke causes hyperactivity and significant damage in liver, lung.

Manuela Martins-Green, UC Riverside

Manuela Martins-Green, UC Riverside

Do not smoke and do not allow yourself to be exposed to smoke because secondhand smoke and thirdhand smoke are just as deadly as firsthand smoke, says a scientist at UC Riverside who, along with colleagues, conducted the first animal study of the effects of thirdhand smoke.

While firsthand smoke refers to the smoke inhaled by a smoker and secondhand smoke to the exhaled smoke and other substances emanating from a burning cigarette that can get inhaled by others, thirdhand smoke is the secondhand smoke that gets left on the surfaces of objects, ages over time and becomes progressively more toxic.

“We studied, on mice, the effects of thirdhand smoke on several organ systems under conditions that simulated thirdhand smoke exposure of humans,” said Manuela Martins-Green, a professor of cell biology who led the study. “We found significant damage occurs in the liver and lung. Wounds in these mice took longer to heal. Further, these mice displayed hyperactivity.”

Study results appear in PLOS ONE.

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