Scientists working in seven countries announced on Sunday they had uncovered variants of three genes which play a role in Alzheimer's, a discovery that should throw open many new avenues for tackling this tragic, mind-killing disease.

Researchers have found a gene that when blocked can keep mice from becoming obese, even if they consume a high-fat diet, new research released Thursday found.

After six years of research and genome comparisons, a Taiwanese research team has found recently that three genetic loci, or positions on a chromosome, are associated with severe obesity in ethnic Chinese.

Scientists have discovered a gene that helps a mother and daughter stay alert on about six hours sleep a night, two hours less than the rest of their family needs.

British scientists claimed Wednesday to have created human sperm from embryonic stem cells for the first time, an accomplishment they say may someday help infertile men father children.

Work or personal stress may make you want to pull your hair out, but it's cellular stress that actually turns it gray, a new study has found.

A Taiwanese research team has made a breakthrough in the development of DNA-based vaccine patches that can replace invasive injections as a vaccine delivery method, an academic source said yesterday.

U.S. researchers said on Thursday they had come up with the safest way yet to make stem-like cells using a patient's ordinary skin cells, this time by using pure human proteins.

Researchers in Japan have identified a gene that appears to determine cyclical hair loss in mice and believe it may also be responsible for hair loss, or alopecia, in people.

A group of Taiwanese scientists said yesterday that their research has identified a gene that may hold the secret to human longevity.