Exercise in a Pill?
Not quite. But toying with metabolism's machinery might lead to obesity-fighting drugs that bolster the effects of a workout.
HHMI Bulletin, pp. 14-19. May 2007 Article link
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Drumming Up Dollars for Stem Cell Research
Cell 123: 1169-1172.
29 December 2005
Article link

What Controls Organ Regeneration?
Science 309: 84.
1 July 2005
Article link