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

Scientists have been trying to identify the exact causes of Alzheimer's disease for many years, and while we know that pathologies like tau tangles and amyloid plaques are related to the ...

While some genes have been linked to specific disorders, it may not always be clear how changes in those genes can lead to disease. There have been many genes linked to autism spectrum disorder (ASD), ...

With no cure for Alzheimer’s disease, doctors have repeatedly stressed the importance of knowing your personal risk factors and doing everything you can to protect your brain as you age. In that sense ...

Harmful genetic changes in sperm become substantially more common as men age because some are actively favored during sperm ...

When couples have trouble conceiving a baby or lose a pregnancy, they often undergo routine tests, which can turn up a shock: ...

Rett syndrome is a rare developmental disorder, most often due to a mutation in the MECP2 gene on the X chromosome, but it’s not usually inherited. Advances in genetics have launched a new era in ...

Obsessive compulsive disorder has many unknowns, including what causes it, why symptoms can differ so much between people, how medication and therapy for it actually work, and why treatment is ...

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