A closely watched clinical trial in Britain that screened blood for early detection of cancer did not show a reduction in ...

Easier than a blood test, saliva tests have the potential to detect cavities, infections and even cancer. But a lack of insurance coverage and other obstacles stand in the way of wider use.

The latest nutrition guidelines urge Americans to avoid highly processed food. But when it comes to carbs, many people don't know which ones are ultra-processed. Here's an easy way to find out.