The slowdown of physical activity during adolescence is not likely caused by lifestyle and environment but by energy demands placed on the body as it grows and sexually matures, according to a new study.
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In a mouse study designed to explore the impact of marijuana’s major psychoactive compound, THC, on teenage brains, researchers say they found changes to the brain’s wiring, that may worsen a genetic predisposition to schizophrenia.
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American parents fear their teens’ internet use could expose them to cyberbullying, harmful content and set them up for addiction, a new study shows.
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