Staying on top of your health involves more than just feeling good – it's about knowing what's happening beneath the surface.

Medically reviewed by Kashif J. Piracha, MD A magnesium blood test measures the amount of magnesium, an important mineral, in ...

The FDA has approved the first blood test for Alzheimer's disease based on a blood test – from Fujirebio – in a step forward for early diagnosis. The test, dubbed the Lumipulse G pTau217/ß ...

Common blood work usually costs between $30 and $120. You may also have other charges, including fees for the needle, vial and bandages. If you have your blood work done in a doctor's office, you may ...

Avoiding downstream testing ultimately makes it cheaper for whoever is footing the bill, says Merrill H. Stewart, MD, Ochsner Health.