If you still have doubts about the perils of smoking, a new report in Circulation: Journal of the American Heart Association should clarify any suspicion. After looking at 13 major studies which evaluated the number of heart attacks after smoking bans were instituted in the US, Canada and Europe, researchers found that the total number of heart attacks dropped almost immediately – 17% within one year – and nearly 36% over a three-year period. This dramatic decline in heart attack rate is not only due to less smokers having heart attacks, but passive or secondhand smokers are spared as well. “This study adds to the already strong evidence that secondhand smoke causes heart attacks, and that passing 100 percent smoke-free laws in all workplaces and public places is something we can do to protect the public,” said study author James Lightwood, assistant adjunct professor in the department of clinical pharmacy at the University of California, San Francisco. [Circulation via Medical News Today]
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Dr. Steven Chang, the author of DailyDose, is a staff physician with Kosmix RightHealth. Dr. Chang practices Family Medicine at the University of California Davis Medical Center, where his medical interests include both pediatric and geriatric care, public health, gay and lesbian health, and sleep medicine. Dr. Chang trained at the Stanford University affiliated O'Connor Hospital, and was a research fellow at the National Institute of Health. He holds an M.D. from McGill University and a BA in Public Health from Johns Hopkins University.