Running

This article is not a surprise:

http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B8JHF-4XX36D1-2&_user=10&_rdoc=1&_fmt=&_orig=search&_sort=d&_docanchor=&view=c&_acct=C000050221&_version=1&_urlVersion=0&_userid=10&md5=0bea7b09825dec6d17d30e7ec502b545

Barefoot running produces less stress on the joints than running with shoes. And be spontaneous.

What did I say? Forget about the slogans and just run, darn it!