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In animal studies, boosting serotonin in the cells that line the gut reduced anxious and depressive-like behaviors without causing cognitive or gastrointestinal side effects.

Stress experienced during pregnancy may influence a child’s health later in life. Columbia researcher Claudia Lugo-Candelas is investigating how sleep quality may play a role.

Psychotherapy use has risen substantially among U.S. adults with mild to moderate distress, but increases are uneven across socioeconomic groups.