Rare inherited genetic disorders worsened by repeated inbreeding may have brought down the powerful Spanish Habsburg dynasty, Spanish researchers said on Tuesday.

Japanese scientists on Monday said they had uncovered a genetic variant that could help explain why Asians seem especially vulnerable to the hepatitis B virus (HBV).

Researchers have found nine new gene variations that can make a person vulnerable to sudden cardiac death and confirmed the role of another, international researchers said on Sunday.

U.S. researchers have found a gene responsible for turning a plate of pasta into fat, offering new clues about how the body metabolizes carbohydrates and how they contribute to obesity.

German researchers have found that the symptoms of cystic fibrosis can be prevented in an animal model by spraying amiloride into the lungs of young mice.

In a clear rebuke to his White House predecessor, President Barack Obama declared he will not allow politics to taint science and signed an executive order to allow funding of broader research into stem cells.

Ever wonder why sharks get several rows of teeth and people only get one? Some geneticists did, and their discovery could spur work to help adults one day grow new teeth when their own wear out.

Whether you see life as a glass half-empty or half-full may depend on a single, hormone-delivery gene, scientists in Britain reported Wednesday.

family desperate to save a child from a lethal brain disease sought highly experimental injections of fetal stem cells — injections that triggered tumors in the boy's brain and spinal cord, Israeli scientists reported Tuesday.

Doctors have identified two genetic mutations that control the growth and development of malignant gliomas, a particularly deadly and difficult-to-treat type of brain tumor.