Scientists have found the mysterious MERS virus in a bat in Saudi Arabia.   An international research team said the bat virus is an exact match to the first known human case of Middle East...

Adult obesity in the U.S. still isn't budging, the latest government survey shows.   The national telephone survey found 13 states with very high rates of obesity last year. Overall, the...

Scientists have found an intriguing clue that suggests camels might somehow be involved in infecting people in the Middle East with the mysterious MERS virus.   Since the virus was first...

Emily Oster isn't a baby doctor. She's an economist and a mom who wanted to know more about all those rules handed down to women after the pregnancy stick goes pink.   Only two cups...

It was meant to be the happiest day of her life. Instead, Yulia Yukhimets' wedding ended with her being rushed to the hospital, weak, pale and hooked to an IV — together with nearly 60...

A British court has ruled for the first time that a man who lacked the capacity to give informed consent should have a vasectomy because it is in his "best interests."   The...

Sunny was 16 when she was left at an animal shelter by the family she had lived with all her life. The 75-pound (34-kilogram) bulldog-pit bull mix had cancer and infected eyes, and shelter workers...

Chinese scientists have found the strongest evidence yet that a new bird flu strain is sometimes able to spread from person to person, but they are emphasizing that the virus still does not transmit...

A new government report is the first evidence of a national decline in childhood obesity, health officials said Tuesday.   In 18 states, there were at least slight declines in obesity for...

The U.S. battle against smoking has moved outdoors.   City parks, public beaches, college campuses and other outdoor venues are putting up signs telling smokers they can't light up....