http://www.nytimes.com/2012/02/28/health/nutrition/yoga-fans-sexual-flames-and-predictably-plenty-of-scandal.html
Pour ceux qu'auraient la flemme de tout lire, je vais quoter LA phrase qu'il faut retenir de l'article:

The Rutgers scientists use brain scanners to measure the levels of excitement in women and compare their responses with readings from manual stimulation of the genitals. The results demonstrate that both practices light up the brain in characteristic ways and produce significant rises in blood pressure, heart rate and tolerance for pain — what turns out to be a signature of orgasm.

OUI LE YOGA C'EST GRAVE BON POUR PÉCHO!!!!!