Youthfulness an American obsession -- at what cost?

Saturday, December 6, 2008 - 14:28 in Health & Medicine

(AP) -- It's one of those photos that make you do a double-take. Dr. Jeffry Life stands in jeans, his shirt off. His face is that of a distinguished-looking grandpa; his head is balding, and what hair there is is white. But his 69-year-old body looks like it belongs to a muscle-bound 30-year-old.

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