genetic testing

Millions of people in the U.S. have a genetic variant that raises their risk of cancer. Genetic testing can help people find cancer earlier and seek treatment. But many patients aren't offered it.

Will a genetic test for Type 1 diabetes risk be valuable to parents, despite its shortcomings? Now many parents don't know their kids have this condition until they end up in the hospital.

Genetic tests can now tell us a lot about our risk for developing Alzheimer's disease. But that doesn't mean people are prepared to receive the information.

Traditional blood tests still do a better job flagging common inherited diseases. Gene sequencing can be useful for detecting some conditions, but the results can be difficult to interpret.

Behavior and environment are big factors in a surge in obesity. Scientists are busy trying to identify the many genes that play a role in weight gain to develop a predictive obesity test.