A massive study of over 58,000 women shows that families may have their own subtle biological bias toward having boys or girls, rather than offspring sex being purely random.

Harvard researchers reveal why women are twice as likely to develop Alzheimer's disease, pointing to X chromosome genes and ...

Scientists from Harvard University have discovered that some women are much more likely to have children of only one sex.

The ability to see the full visible spectrum remains a mystery for nearly 300 million people worldwide. Men are significantly more affected than women by this condition, a disparity that ...

BOTH ABO blood type and the bleeding disorder, haemophilia, are solely determined by the action of genes, with no ...

Dan Patriss launched Gamers for Cures to raise funds and awareness for Turner syndrome after his four-year-old daughter was ...

She sent a picture to the city, and within two weeks, they responded. At a recent North Kansas City Parks and Recreation ...

Some people’s biology may set them up to birth babies of a certain sex, explaining why a family with multiple children may have all girls or all boys.

Families with three or more boys, for example, are more likely to have another boy than a girl as the next child.

Doctors in the UK have announced the birth of eight healthy babies after performing a groundbreaking procedure that creates ...

The process allows the children to get most of their DNA from their parents, while also avoiding mitochondrial diseases their mother might otherwise have passed on.

Born with a rare genetic disorder, Jorie Kraus had little hope for her future, until doctors at Mayo Clinic found a way to ...