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Cortisol-Behavior Disorder Connection

Study: Stress May Not Raise Levels Of Stress Hormone As Much In Male Teens With Conduct Disorder

More Americans Living with HIV

New CDC Numbers: 1.1 Million in U.S. Had AIDS Virus in 2006, Up 11% from 2003

Vegan Diet Good For Type 2 Diabetes

Vegan Diet Beats ADA-Recommended Diet In Lowering Heart Disease Risk

Virus Hunters Track Early HIV

Tissue Sample From 1960 Yields Clues To How Virus Has Changed

Kid Tested, Mother Approved

Find Out Which Kid's Cereals Are Healthy And Which Ones Have More Sugar Than A Glazed Donut

Tips For Eating Healthfully While Pregnant

Here Are Some Essential Foods To Eat And Others To Avoid While Pregnant

Study: Driving Deaths Rise On Election Day

Researchers Find Higher Average Than On Super Bowl Sunday; Unfamiliarity With Polling Location Possible Factor

Heart Disease And Depression Linked

Depression Common Among Heart Patients; New Recommendations Call for Universal Screening

Birth Size May Up Breast Cancer Risk

Researchers Find Link Between Weight And Length At Birth And Later Breast Cancer Risk

Auctions Make Some Bid Adieu to Good Sense

People Who Overbid at Auctions May Be Driven by a Fear of Losing, Study Shows

Dark Chocolate Prevents Heart Disease

Tiny Bit of Dark Chocolate Daily Reduces Inflammation That Leads to Heart Disease

Sex And Aging: Women In For A Surprise?

Women More Likely To Have Age-Related Sexual Symptoms And More Likely To Be Surprised By Them, Survey Shows

Old Hollywood & Big Tobacco

Stars, Studios Cut Secret Deals to Sell Cigarettes; Joan Crawford, Gary Cooper, Spencer Tracy All Had Tobacco Contracts

Energy Drinks: Hazardous to Your Health?

Products Need Warning Labels, Scientist Says; Industry Contends They're Safe to Drink