New Treatment Shows Promise for Crippling Knee Arthritis

Small study found single shot of patient's own stem cells improved pain, mobility

Opioid Update: Painkiller Misuse in U.S. Doubled in Decade

Over 4 percent of adults reported nonmedical use of drugs like OxyContin in 2012-2013

Smoking May Hinder Common Breast Cancer Treatment

Cigarettes and drugs called aromatase inhibitors appear to be a bad mix, researchers say

Why Some Bisexuals Won't 'Come Out'

Interviews reveal common theme

CDC Panel Says FluMist Nasal Flu Vaccine Ineffective

Agency advisors say the product has lost potency in kids and shouldn't be used in upcoming season

Dallas Confirms 10 Zika Cases in Pregnant Women

All were infected while traveling abroad; number of U.S. cases continues to rise

Dengue Virus May Bolster Zika's Attack

Prior exposure to this other mosquito-borne virus might worsen infection, study says

Diabetes Plus Kidney Problems May Raise Heart Risks

Odds of death due to heart disease 15 percent higher in black Americans with both conditions, study finds

Drug Monitoring Programs Do Curb Overdose Deaths: Study

Opioid epidemic demands such measures, researcher says

Fiber: The Rx for Disease-Free Aging

Lots of this dietary nutrient can keep you healthy, functioning, study suggests