Spike in infants' respiratory illness seen around country
Most cases of respiratory syncytial virus are mild, but each year up to 175,000 children under five are hospitalized
Blood test could help diagnose concussions
Researchers say better diagnostic tools could help doctors protect young athletes from serious head injuries
New weapon against cancer comes from patients' own bodies
Doctors at the University of Pennsylvania remove "T cells" and genetically modify them to recognize and attack cancer cells
Testosterone replacement therapy can carry health risks
Some doctors say treating symptoms of male menopause like a disease may be a bad idea
Report warns helmets don't protect young athletes from concussion
Number of football and soccer players suffering concussions has increased dramatically
Little Grayson makes progress with auditory implant
Three-year-old captured in viral video hearing father's voice for first time is now learning words; but has a lot of catching up to do
A new treatment for baldness shows promise for men -- and women
Researchers develop what could be a better way to transplant hair
Amputee: Brain-controlled bionic leg "blew my mind"
In a scientific breakthrough, a new prosthetic leg funded by the Army is controlled by nothing but the wearer's thoughts
Yankees pitching icon goes out on top
Regarded as the greatest relief pitcher of all time, Mariano Rivera is retiring from major league baseball after 19 seasons and a record 652 games
Panel proposes changing definition of cancer
Experts advising the National Cancer Institute proposed eliminating the word entirely for some illnesses to prevent unnecessary treatment
How do seniors have the minds of those decades younger?
Scientists studying a part of the brain that may explain why some "super agers" 80 and over possess the acuity of someone 20-30 years younger
Rare (non-Lyme) infection caused by bacteria found in deer ticks
Bacteria, found in two percent of deer ticks, may have caused infection in recent years without being recognized
For those with mental illness, stigma cuts deep
Preconceptions about mental illness hampers patients, particularly in job market
Lack of technology hampers CDC investigation of cyclospora
Director of CDC says technology exists that could track down parasite in 14 states, but the agency doesn't have it
Guidelines on cervical cancer tests present dilemma
Women ages 30 to 65 are being told they can wait five years for a Pap screening if they get an additional test for HPV