Bullies more likely to abuse substances
Middle- and high-school students who bully classmates are more likely to use cigarettes, alcohol and marijuana, Kisha Radliff finds. More

Earl Harrison
In his laboratory, this Distinguished Professor of Human Nutrition studies the basic mechanisms of how vitamin A and carotenoids are absorbed and metabolized by the body. He studies how these dietary components can lessen the risk of diseases such as macular degeneration, atherosclerosis and cancer. More

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