Scientists May Have Spotted Happiness' Home in the Brain

Japanese team used MRI scans to spot region most active in contented people

Teasing Girls About Weight May Cause Lasting Harm

Study finds link between being made fun of and problematic eating behaviors

Yoga May Boost Quality of Life for Prostate Cancer Patients

Small study shows those undergoing radiation therapy had fewer side effects, less fatigue

Cancer Survivors, Overweight Men May Face Job Discrimination

If applicants were heavy or revealed previous illness, they got negative responses, studies say

Childhood Cancer Survivors May Suffer Physically, Mentally Decades Later

Long-term effects of powerful treatments merit further study, experts say

Do Men 'Eat to Impress' When a Woman's Around?

Guys ate 93 percent more pizza from an Italian buffet when a female was at the table, study found

Drug Overdose Rates Soaring Among U.S. Youth

Report finds prescription painkillers, heroin largely to blame, with some states hit especially hard

FDA Approves Nasal Spray to Reverse Narcotic Painkiller Overdose

Drug marketed as Narcan offers new treatment option for family members or first responders

Foods May Affect Each Person's Blood Sugar Differently, Study Suggests

Researchers say 'one-size-fits-all' diet doesn't exist

Gel Injections May Help Heart Failure Patients

But larger study needed to assess the effectiveness and safety of the implants