Understanding your creatinine levels is important for monitoring kidney function. When you go for your yearly check-up, you'll likely have a routine blood test for creatinine. In some ...

Take on the ultimate breath challenge and try counting to 100 in a single breath! See how long you can go and test your lung capacity with this fun and engaging challenge. Perfect for anyone looking ...

We asked doctors to explain the latest research.

Metabolites in mouse and human breath correlate to gut-microbe populations and might be helpful in diagnosing disease.

The human gut is home to trillions of beneficial microbes that play a crucial role in health. Disruptions in this delicate ...

Study found that that breath samples from children with asthma could predict intestinal abundance of a bacterium, Eubacterium siraeum, linked to the condition.

When I signed up to try a bunch of health and aging tests for The Post, I knew there would be blood. I just didn’t realize ...

Millions of people rely on wearable devices to monitor how well they're sleeping. Sleep trackers don’t necessarily measure ...

Add Yahoo as a preferred source to see more of our stories on Google. Starting Jan. 1, if you're pulled over in Saskatoon, officers can ask you to take a breathalyzer, whether they think you're ...

Cooper DeJean's brother, Beckett, allegedly had a BAC well above the legal limit when he was arrested for operating while intoxicated over the weekend -- cops say he blew a .142 on a breath test. TMZ ...