http://www.healthday.com/Article.asp?AID=620934Since all you /fit/fags are into HIIT -- here is a news item for you. Short burst intervals as effective as running at a constant rate for 45 mins.
Newsflash - we already new that, newfag. New new new new new
here are some info i've recently discovered as well:lifting weights makes you strongerif you don't breathe, you dieyou need water to surviveand, get this, money can buy you sex!fucking unreal, UNREAL!
>>430295brix shat, mindblownOMG
minute per minute your HIIT is better spent