The smartwatch's Blood Oxygen app lets you measure the oxygen level of your blood on-demand. It's been MIA for more than a ...

Understanding your heart rate is crucial for more than just reaching optimal fitness–it can also help to reduce injury and ...

A good resting heart rate depends on your age, gender, level of physical fitness, and overall lifestyle. Here's what you need ...

The following is a roundup of some of the latest scientific studies on the novel coronavirus and efforts to find treatments and vaccines for COVID-19, the illness caused by the virus.

Before I got to all that, I went for the easiest fix first: changing up my sleeping position. But I quickly learned I simply ...

The body needs healthy kidneys to perform waste elimination, and chemical equilibrium maintenance. Dr. Yaranov suggests ...

Each year about 480,000 people die from tobacco use in the US. While many of those people die from cancer, tobacco use can ...

You should seek emergency care if you have a consistent rapid heartbeat or if you also have dizziness, loss of consciousness, ...

Keeping your brain sharp is key to overall health and preventing dementia. Science highlights exercise as a powerful tool.

If you’ve ever felt frustrated by inaccurate data, confusing feedback, or a wellness app that doesn’t seem made for you, this ...

Bradycardia, a slow resting heart rate, is healthy for elite athletes — but it can be dangerous if not caused by exercise ...