A new study finds strong family relationships and engaged parents help tweens get better sleep.

A new study finds more moms in the U.S. describe their mental health as fair or poor. Researchers say their physical health is also on the decline.

A new study finds people who stay socially engaged as they age have a lower median biological age, healthier behaviors, and a lower risk of dying.

From arguing about money to fighting over household chores, a new study looks at the top reasons American families are living with conflict.