In animals with social structures, the drive to reproduce is a complex process; governed by the brain, it's influenced by ...

Oxytocin, often called the “love hormone” for its role in social bonding and maternal behaviors, is now being investigated for something unexpected—its ability to regulate addictive behaviors and ...

Ghrelin is released from the stomach. The effect of ghrelin in the hypothalamus is opposite to that of leptin; in other words, ghrelin acts as an orexigenic molecule.