Syntocinon

Oxytocin (Oxt or OT) is a peptide hormone and neuropeptide normally produced in the hypothalamus and released by the posterior pituitary.[3] It plays a role in social bonding, reproduction, childbirth, and the period after childbirth.[4][5][6][7] Oxytocin is released into the bloodstream as a hormone in response to sexual activity and during labour.[8][9] It is also available in pha... [wikipedia]