Seriali Me Fal Episodi 1239 (05.03.2018)

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Alcohol 'more damaging to brain health than marijuana'With marijuana legalization on the rise, an increasing number of studies are exploring the drug's potential harms and benefits. However, a new study suggests that when it comes to brain health, alcohol is more damaging. Scientists at the University of Colorado Boulder conducted a review of existing imaging data that looked at the effects of alcohol and marijuana, or cannabis, on the brain. Their findings linked alcohol consumption with long-term changes to the structure of white matter and gray matter in the brain. The use of marijuana, however, seemed to have no significant long-term effects on brain structure. Study leader Rachel Thayer, of the Department of Psychology and Neuroscience at the University of Colorado Boulder, and colleagues recently reported their results in the journal Addiction. It is estimated that around 22.2 million people in the United States have used marijuana in the past month, making it "the most commonly used illicit drug" in the country. Across the U.S., however, it is increasingly becoming legalized for both medicinal and recreational purposes. As a result of this changing legislation, researchers have been trying to find out more about how marijuana may benefit health, as well as the damage that it could cause. Last year, for example, Medical News Today reported on a study linking marijuana use to a greater risk of psychosis in teenagers, while another study claimed that the drug is "worse than cigarettes" for cardiovascular health. On the other side of the coin, researchers have found that cannabinoids — which are the active compounds in marijuana — could help to prevent migraine, and a more recent study linked marijuana use to an increased sex drive.