SAN DIEGO-- On day two of TEDMED , running between Oct. 27 and 30, three themes stood out: the difference between children and adults for therapies; the connection between animals, people and disease; and how genetics will shape health care.

Frances Jensen of Harvard University and Children’s Hospital Boston explained the dramatic differences between developing and adult brains. With faster synapses, teens learn faster than adults, for instance. But as a consequence, they also "get addicted faster, longer and stronger than adults do," she said. Because teens have more synaptic material to affect, they suffer greater brain damage from alcohol than in adults. Differences in developing brain mean should have "no more hand-me-down drugs" for youths, added Jensen.

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