A question: can you predict Alzheimer's by a careful analysis of someone’s writing? An English professor has suggested there are tell-tale signs of early Alzheimer's in Agatha Christie’s book, Elephants Can Remember. AFP/Getty Images hide caption

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Teens who bum cigarettes every now and then find that addiction can happen before they know it. iStockphoto.com hide caption

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New research finds that socializing kids to drink at the family table -- often referred to as the "European drinking model" -- doesn't necessarily translate to more responsible drinking patterns. Marco Di Lauro/Getty Images hide caption

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Recent graduates might need to wait for coverage under their parents' plans. Andy Kropa/Getty Images hide caption

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