Aging men often lose the Y chromosome in a growing number of their cells—and it may be far more dangerous than once believed. This loss has been linked to heart disease, cancer, Alzheimer’s, and ...

A 3D graphic showing an artist's interpretation of human X and Y chromosomes. On the left are blue bundles of genetic material making an X shape and on the right blue bundles of genetic material ...

“This work is really important because the X chromosome has largely been excluded from genetic studies in the past,” said Amy Roberts, a molecular epidemiologist at King’s College London who was not ...

The vast dataset allowed the Johns Hopkins University-led team to demonstrate robust connections between specific variations in a mother's DNA and their risk of miscarriage. The findings shed new ...

Forbes contributors publish independent expert analyses and insights. Telomeres, the protective caps at the ends of our chromosomes, act much like the plastic tips of shoelaces, preventing our DNA ...