Breathing air pollutants raises the risk of having a heart attack, a new review suggested. Other studies have linked air pollution levels to hospital admissions and deaths from cardiovascular disease. But making that link for heart attacks has been controversial, since the research has been mixed. In Wednesday's issue of the Journal of the American Medical Association, Dr. Hazrije Mustafic from the Paris Cardiovascular Research Center and his team … full story

Loss of memory and other brain function can start as early as age 45, posing a big challenge to scientists looking for new ways to stave off dementia, researchers said. The finding from a 10-year study of more than 7,000 British government workers contradicts previous notions that cognitive decline does not begin before 60 years of age, and it could have far-reaching implications for dementia research. Pinpointing the age at which memory, reasoning … full story

NEW YORK: Anybody who's smoked marijuana knows about "the munchies," that desire to eat everything within reach. But a study from France has found that, surprisingly, pot smokers are actually less likely than non-smokers to pack on weight. Using data covering more than 50,000 U.S. adults, researchers headed by Yann Le Strat, a psychiatrist at the Louis-Mourier Hospital in Colombes, France, found that roughly 14 percent to 17 percent of the people … full story

Binge drinkers are at twice the risk of a heart attack than those who consume the same amount but spread it over a week. Researchers, led by Jean-Bernard Ruidavets from the Toulouse University in France, examined almost 10,000 healthy men aged between 50 and 59 and tracked them for 10 years. It was found that the men who “binge” drink had nearly twice the risk of heart attack or dying from heart disease compared to regular drinkers over the 10 … full story