Virtually every aspect of your health can be traced back to your microbiome. But some tests are better than others.

Cortisol, what is known as the stress hormone, is the talk of the internet. But do you really need supplements and advice ...

A doctor reveals why you don’t need a cortisol test – and what you should do instead - Doctors are largely dismissing the idea that supplements are necessary to lower levels of your ‘stress hormone’ ...

That pillow you’ve been sleeping on for who knows how long might feel like an old friend. It’s been with you through late-night movie marathons, stressful work weeks, and maybe even a bout of the flu.

Your genes play a key role in your health, and finding out what medical conditions run in your family is important.

We asked doctors to explain the latest research.

Toilet seats are blamed for almost everything, so they tend to be cleaned more often than most household surfaces. Meanwhile, ...

Some lawmakers said they are optimistic about advancing legislation to allow law enforcement agencies to use roadside saliva tests to detect drug-impaired drivers.

Mono is often called “the kissing disease” but that is because it spreads easily through bodily fluids like saliva.

A salivary miRNA test for endometriosis shows high accuracy; however, experts debate whether it can replace laparoscopy.