Medically reviewed by Soma Mandal, MD A vitamin D test is a blood test that measures the level of vitamin D (calciferol) in ...

Vitamin D3 seemed more effective than D2 at raising this important blood test. Furthermore, preliminary work showed that enzymes in the liver and the final vitamin D receptors (VDR) in important ...

Most people will need a blood test at some point in their lives. Blood tests are part of routine health screenings. They are used to check organ function and immune system activity, to diagnose ...

What Is a Phosphate Blood Test? A phosphate test measures the amount of phosphate in your blood. Phosphate is what you get when you combine the mineral phosphorus with oxygen. When you eat certain ...

Vitamin D3 is more effective at raising and maintaining the vitamin D blood test (again, D2 binds less tightly to the vitamin D receptors in the body; therefore, D2 does not circulate as long in ...

For individuals with Seasonal Affective Disorder (SAD), a type of depression linked to reduced seasonal light, these effects ...

Blood urea nitrogen (BUN) is a blood test performed as a marker of kidney function. It is part of the basic or comprehensive metabolic panel done for health screening. It is also used to monitor the ...

With heart attacks, every second counts. A new blood test diagnoses them in minutes rather than hours and could be adapted as a tool for first responders and people at home. "Heart attacks require ...

However, if you are on oxygen therapy, oxygen values must be constant for 20 minutes before the test. If you are taking medication to make your blood thinner or aspirin, you should tell your doctor ...

By Adam Sternbergh Adam Sternbergh’s most recent novel is “The Eden Test.” When you purchase an independently reviewed book through our site, we earn an affiliate commission. BLOOD TEST ...

But Blood Test, a new novel by Charles Baxter, perhaps spans divisions because it draws upon a tried-and-true comic predicament: namely, the little guy who's forced to punch above his weight with ...