Studies show dog lovers have lower blood pressure and reduced stress levels, leading to a healthier heart. Spending time with ...

Oxytocin, a hormone linked to bonding behaviors, might also help mice modulate their pregnancies. Someday, this line of research could improve our understanding of human fertility.

The oxytocin system -- which helps release breast milk and strengthens the bond between mother and baby -- may be affected during breastfeeding in mothers experiencing postnatal depression.

The oxytocin system—which helps release breast milk and strengthens the bond between mother and baby—may be affected during breastfeeding in mothers experiencing postnatal depression, finds a ...