When Dorothy Twinney first saw a Race for the Cure walk for breast cancer - "a sea of pink" traveling through her hometown of Plymouth, Mich. - she was so moved she sat in her car and wept.
An outbreak of bacterial infections on the East Coast illustrates the popularity of raw, unpasteurized milk despite strong warnings from public health officials about the potential danger.
Researchers who spent three years dragging sheets of fabric through the woods to snag ticks have created a detailed map they claim could improve prevention, diagnosis and treatment of Lyme disease.
To many people, breast cancer screening means a mammogram. But for millions of poor, mostly young women who visit Planned Parenthood, it is usually just a physical exam by the only health professional they may ever see.
The Obama administration's decision requiring church-affiliated employers to cover birth control was bound to cause an uproar among Roman Catholics and members of other faiths, no matter their beliefs on contraception.
A 9-year-old Maine girl is home from a Boston hospital healthy, active and with high hopes - and a new stomach, liver, spleen, small intestine, pancreas, and part of an esophagus to replace the ones that were being choked by a huge tumor.
The World Health Organization says the highest levels ever of drug-resistant tuberculosis have been found in Russia and Moldova.
Malaria may be killing around twice as many people as experts previously thought, and it could also be hitting older children and adults - long considered the least susceptible - a new study suggests.
Fifteen teenage girls report a mysterious outbreak of spasms, tics and seizures in upstate New York. But tests find nothing physically wrong.
For leaders of the nation's pre-eminent breast-cancer charity, it was a firestorm they didn't see coming - and couldn't withstand.