In addition to the references in the article, Wikipedia (surprisingly) has a nice article on the effects of spaceflight on the human body (with all sorts of references): <a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Effect_of_spaceflight_on_the_human_body" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Effect_of_spaceflight_on_the_h...</a>