A sweeping new study of psychiatric and genetic records has the potential to change treatment for millions of psychiatric patients.

Genetic testing can help doctors diagnose some neurological disorders, such as Huntington’s disease. It can also provide insights into a person’s risk of future health conditions. Genetic testing ...

A massive global genetics study is reshaping how we understand mental illness—and why diagnoses so often pile up. By analyzing genetic data from more than six million people, researchers uncovered ...

Unstable proteins are the main drivers of many different heritable diseases, according to a new study, including genetic disorders responsible for the formation of cataracts, and different types of ...

Gretchen Noah waited 2½ years for doctors to make the diagnosis she knew in her heart for months. Her son, Markie, now 3, has Smith-Lemli-Opitz Syndrome, a genetic disorder caused by insufficient ...