Kourtney Kardashian is the face of countless health and beauty trends, having founded Poosh in 2012. But last week she caused quite a stir online, after drinking her own breast milk to feel less sickKourtney Kardashian is the face of countless health and beauty trends, having founded Poosh in 2012. But last week she caused quite a stir online, after drinking her own breast milk to feel less sick