UFC middleweight Paulo Costa details past issues with USADA: “I often had anxiety before going to sleep”
USADA Woes
https://www.bjpenn.com/mma-news/paulo-costa/ufc-middleweight-paulo-costa-details-past-issues-with-usada-i-often-had-anxiety-before-going-to-sleep/?utm_source=rss&utm_medium=rss&utm_campaign=ufc-middleweight-paulo-costa-details-past-issues-with-usada-i-often-had-anxiety-before-going-to-sleep