Same-Sex Marriage Offers Couples Psychological Benefits, Experts Say

Supreme Court decision to support it would also boost well-being of couples, according to social scientists

Sequence of Shots May Lead to Effective HIV Vaccine, Mouse Study Finds

Series of immunizations might encourage HIV-fighting antibodies

Sleep Problems May Contribute to Health Disparities in America

Poor sleep, insomnia and sleep apnea are more common among minority groups, study shows

Small Talk Can Boost Business Deals for Men, Study Says

Women get fewer bonus points from chatting because it's expected of them, researcher suggests

Supreme Court Upholds Subsidies for Obamacare

Ruling preserves tax credits for 6.4 million people in 34 states

Surgery May Help Teens With Frequent Migraines, Study Contends

At least one expert questions whether improvements are due to the procedure

Virus Mutation Explains Poor Performance of Last Season's Flu Shot: Study

Strain of H3N2 virus that was circulating did not match strain used in vaccine

Blood Protein May Spot Pancreatic Cancer Early

But more research is needed before test is used for monitoring or screening, researchers say

Blood, Saliva Tests May Spot Head and Neck Cancers Early

Study shows potential for noninvasive tumor detection

Could a Vitamin Play a Role in Acne Outbreaks?

Study finds excess B12 tied to common skin condition