Knee Replacement Doesn't Always Pay, Researchers Say: Less pain to begin with, less gain from the procedure, but more benefit seen in those with severe arthritis
Smokers May Be Prone to Risks From Breast Cancer Radiation Therapy: Long-term chances of heart attack, lung cancer higher for women who light up, study finds
Preventive Mastectomy Rates Vary by State: Among young women with early breast cancer, almost half from 5 states opt to have healthy breast removed
Brain-Computer Link Restores Some Movement to Quadraplegic Man: 8 years after a devastating bike accident, he uses arm to eat and drink
Better Efforts Could Help Rid the U.S. of Hepatitis B, C: Report: Plus, 90,000 fewer deaths would occur by 2030, study authors estimate
Health Insurance a Key to IVF Success, Researchers Say: At $12,000 and up a cycle, many forgo second attempt if they don't have coverage
Is MRI the 'Mammography' of Prostate Cancer Screening?: Scanning might reduce unneeded biopsies and overtreatment, study suggests
Fewer Successful Malpractice Claims in U.S., But Higher Payouts: Tort reform laws may help explain findings, researchers say
Expect More Deadly Heat From Climate Change, Study Suggests: Countries need to make plans and design interventions to cope with rising temps
Just 17 U.S. States Require Defibrillators in Some Schools: Easy-to-use portable devices can prevent deaths from sudden cardiac arrest, researchers say
How Doctors Decide to Treat a Ruptured Achilles: Your health and activity level influence recommendation for or against surgery
Substance Abuse Taxes the American Workplace: Survey, analysis reveal the full cost of employees addicted to alcohol, painkillers and other drugs
Leg Pain When Walking: Talk to Your Doctor: Physician says there are ways to ward off peripheral artery disease
Many Talks on End-of-Life Wishes End in Confusion, Study Shows: Just 3 out of 10 accurately understood what their loved one wanted
House Republican Leaders Pull Bill Aimed at Repealing 'Obamacare': In the end, resistance from conservative and some moderate GOP lawmakers meant votes weren't there
Ouch! How to Tell If You Have a Sprain, a Strain or a Tear: They're not the same and some types of injuries take longer than others to heal
Raccoon Parasite Not as Deadly to Humans as Thought: Researchers find confirmed cases of raccoon roundworm where patients had no symptoms
Obesity May Not Compromise Knee Surgery Success: Results similar after procedure to repair meniscus in normal, overweight and obese people
Exercise a Great Prescription to Help Older Hearts: Not enough doctors recommend cardiac rehab, American Heart Association says
Fewer Patients Die During Hospital Inspection Weeks: Study: Slight differences in death rates were possibly due to increased vigilance by staff, researcher suggests
Scientists Working on Solar-Powered Prosthetic Limbs: Synthetic skin could use sun's energy to power the devices, researchers say
New Technology Makes Gene Mapping Cheaper, Faster: Study: Researchers decoded DNA of mosquito that carries Zika to prove the point
Turning Back the Aging Clock -- in Mice: Elderly rodents treated with cellular therapy regained lost fur, became more active, scientists say
Brain 'Rewires' to Work Around Early-Life Blindness: These differences appear to boost hearing, smell and touch, researchers say
'Eraser Challenge' Latest Harmful Social Media Trend for Kids: Burns, abrasions the result as youngsters 'erase' their skin away