What Is a Cortisol Test? A cortisol test measures the level of cortisol in your blood, urine or saliva. Cortisol is a hormone that's important throughout the body for maintaining blood pressure, blood ...

Do you wake up exhausted, struggle to focus, or are battling with hair loss, even though all your tests read “normal”? These ...

A 91-year-old man was admitted to the hospital with weight loss, dyspnea, and eosinophilia. An anteroposterior chest radiograph obtained 2 months earlier showed bibasilar patchy opacities. A ...

Just because your lab reports look fine doesn’t mean you are. Dr Cleo Tetzloffshares 10 subtle warning signs your body could be struggling beneath the surface.

If you’ve been feeling a little low in more than one aspect of life, you’re not alone, and chances are you’re not going crazy, either. You may be experiencing the symptoms of low testosterone.

From Our Place to Caraway, we tested 13 nonstick pans free of harmful Pfas chemicals. Here’s how well they stand up to high heat and everyday cooking ...

Bad weather on the east coast of the United States has delayed the test launch of a Queensland hypersonic scramjet capable of travelling at 12 times the speed of sound.

Thomas Kuhn, the 20th-century historian of science who coined the phrase “paradigm shift,” had a name for such breakdowns in ...

If you have high cholesterol, you've probably been told to lower the LDL number from your blood test. LDL is the "bad cholesterol," the type that contributes to plaque that can clog your arteries.

The following is a transcript of my interview with registered dietician Jill Chodak on the importance of vitamin B12. It was ...

It's easy to understand the appeal of a plug-in hybrid vehicle. You get a decent amount of battery-only range, and you don't ...