Bone Health. Several studies on collagen, which represents 90% of organic bone mass, suggest that orally administering collagen peptides may provide beneficial effects on bone metabolism, especially in the calcium-deficient condition such as osteopenia, without obvious undesirable effects.
Lance Armstrong's rise and fall â Armstrong rides at the Ikon Ride for the Roses to benefit the Lance Armstrong Foundation in May 1998. He established the foundation to benefit cancer research after he was diagnosed with testicular cancer in 1996.
On Wednesday, he crashed. In one day, the renowned cyclist and cancer survivor lost a major endorsement deal with Nike -- once worth millions of dollars -- and the chairmanship of the cancer charity he founded 15 years ago. While stepping down as chairman of Livestrong was Armstrong's idea, losing Nike's support wasn't. Opinion: 'U.S.