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 ...

A specific shade of retina-singeing chartreuse has become the defining color of summer 2024. Similar to the text message bubble sent from your iPhone, the vivid hue sits somewhere between 360 and 375 ...

The color of menstrual blood is a key indicator of women's health, and while bright red is the most common, it's not the only ...

We all know blood is red. But not all red blood is created equal. The exact shade of your blood can actually tell you a lot about what’s happening inside your body. And while you might not spend much ...

Americans are weathering the worst flu season in years, as a number of other respiratory illnesses circulate too, such as COVID-19, RSV and the common cold. A telltale sign you’re getting sick is ...

It can be jarring to crack an egg and see a bright orange yolk instead of the expected pale yellow, or vice versa. Americans eat on average nearly 300 eggs a year, making it likely you’ll stare down ...

When you're sick you'll often produce more phlegm, and might notice it's thicker or a different color: white, green, yellow or maybe even brown. We all produce mucus, even when healthy. Mucus is a ...

Internal medicine and rheumatology specialist Siobhan Deshauer, MD, takes a look at visible signs of iron deficiency. Following is a partial transcript of the video (note that errors are possible): ...

We're often drawn to certain colors. Whether it be for clothing, decor, or even our car, these preferences can have more meaning than simply being the most visually appealing. Michelle Lewis, a color ...