Backers claim the tests can predict a child’s risk of autism using a strand of hair or a mother’s blood, but critics say they are not ready for the market.

New federal guidance is expanding testing for cervical cancer with a self-collection method. Dr. Mara Gordon speaks to NPR about why this option might become popular for screening for HPV.

A simple stool sample may hold a clearer record of what you eat than a food diary ever could. In a new study, researchers ...

While diet and lifestyle changes can help constipation long-term, nutrition and gut health experts share drinks that provide ...

Consumers simply prick a finger, place a drop of blood on a sample card, sealed into an envelope (provided) and mail it to ...