Because the mutations are so rare, costly studies involving large numbers of patients would be needed to identify their role in each disease.

Some research suggests that people who frequently update their Facebook status are more likely to exhibit narcissistic traits, but the social medium of choice for the self-absorbed may actually be Twitter.

Showing people who were waiting to get a driver’s license a short video about the impact of organ donation increased the number of organ donors by more than 10 percent, and the increase was especially dramatic among African-Americans.

I’ve left the isolation of the hospital after my bone marrow transplant and no longer need to be connected to IVs around the clock. I’m enjoying my freedom, but cancer continues to dictate my choices, writes Suleika Jaouad.

People genetically prone to higher levels of HDL, often called “good cholesterol,” showed that they did not have any significant decrease in risk of cardiovascular disease.

Scientists said a tiny brain implant allowed two people who are virtually paralyzed below the neck to manipulate a robotic arm.

Federal regulators announced on Wednesday that Skechers has agreed to pay $40 million to settle charges that the company deceived consumers with claims about its toning shoes.

The decline is attributable to increases in contraception and in AIDS drugs, and to greater numbers of births attended by those with medical training.

Test kit uses mouth swab to detect presence of HIV in 20 minutes; version already sold to doctors

Washington State has declared an epidemic, with nearly 1,500 new cases; Health Secretary urges immunization