Khat is a narcotic found in the leaves of the Khat shrub. Though its use dates back centuries, the drug has spread over the last few decades and is wreaking havoc on the country of Yemen.
E-cigarettes are everywhere, it seems. But how bad -- or good -- are they for you? There are precious few studies on them, but that paucity hasn't stopped them from taking hold in the market.
About a third of U.S. adults drink excessively, but most of these people are not alcoholics, according to a new report from the Centers for Disease Control and Prevention.
Sure, a spoonful helps the medicine go down, but what else can it do?
Laci Green reports on a new addiction study of more than 100 adolescents, with results that might surprise the "weed isn't addictive" crowd.
Neurologists found a way to predict -- with 70 percent accuracy -- which 14-year-olds will become binge drinkers by age 16. Find out the details from Laci.
New research is shedding new light on what makes problem gamblers tick. It turns out, it may even be a "family thing."
Seeking out the perfect tan might be about more than vanity, research suggests.
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