"Normal" levels of vitamin B12 may not be enough to ward off dementia, new research finds. Researchers at University of California San Francisco studied 231 healthy older adults (averaging 71 years of ...

Lindsay Modglin is a nurse and professional writer who regularly writes about complex medical topics, as well as travel and the great outdoors. She holds a professional certificate in scientific ...

RAMAT-GAN, Israel — Your blood test results might be “normal,” but still put you at risk for serious heart problems. A major international study found that people with serum sodium levels at the upper ...

Testosterone is an important hormone. It helps men develop during puberty, and as they age, it plays a critical role in helping control fat levels, cholesterol, and glucose levels. Testosterone ...

Add Yahoo as a preferred source to see more of our stories on Google. From CBC to CMP and beyond, blood test panels provide essential information to health practitioners. angelp/iStock via Getty ...