One gene causes one trait or a specific illness. When doctors use genetics, it's usually to try to identify a disease-causing ...

Your DNA contains millions of genetic variants that interact with each other in ways that affect whether diseases such as ...

Siblings are special. Whether a sibling serves as protector or tormentor, friend or foe, the relationship between siblings is ...

Scientists studying tiny roundworms have uncovered how the secrets of a long life can be passed from parents to their ...

The number of people alive now is at a record level and has increased. In 2022, the human population exceeded eight billion for the first time. Each year, approximately 75 million more people are born ...

Researchers reveal how certain harmful DNA variations become more common in sperm as men age, raising genetic disease risk for offspring.

As the percentage of carbon dioxide in our atmosphere has increased so has the Earth's mean temperature. Note that the shape of the first graph showing the amount of carbon dioxide in the atmosphere ...