Talk:Sergei Krikalev

Most impressive is his ability to deal with the physical hardships in space. In space most people lose around 1.5% of their bone mass per month, even with a disciplined exercise regime. And growing the bone mass lost from a 6 month stint back, can take a long time."

Jeff Serino

-I read about the effects of staying long term in space and it's not pretty. Bravo.

- I have a website about him: http://suzymchale.com/krikalyov/

Suzy