hormones

Girl playing with dog

Dogs On Drugs: Study Finds Oxytocin Levels May Be Key To Dogs’ Love For Humans

Dog in owner's arms

Wolves To Dogs: Study Finds Canine Affection For Humans Linked To Oxytocin Sensitivity

Golden-collared manakin

Given Testosterone, Tropical Birds Feverishly Tidy Up For Female Guests, Study Finds

A doctor examines the test results of a patient,

Study: Common Preservatives Block Feelings Of Fullness, Can Lead To Obesity

Incredible Hulk

Testosterone Fuels Boneheaded Decision-Making In Men, Study Finds