This article was reviewed by Felix Gussone, MD. If you’ve been feeling a bit more couch potato than go-getter lately, dragging through the day, snapping at people for no reason, or wondering where ...

Understand the SGOT test, its normal range, causes of elevated levels, symptoms to watch for, and practical ways to lower ...

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 ...

Normal blood sugar levels are about 70-100 mg/dL. Age, medical history, sex, and medications can affect blood sugar levels. High blood sugar levels indicate prediabetes and put you at risk for ...

What are normal testosterone levels by age? An older photographer mentors a younger one. Testosterone is an important hormone. It helps men develop during puberty, and as they age, it plays a critical ...

As a lifelong health and fitness enthusiast with 15 years of experience, Rachel MacPherson is passionate about cutting through fads and noise. Her aim is to clearly communicate health information with ...

Steffini Stalos, DO, FCAP, is a pathology and lab medicine physician. She is also the chief medical officer of the lab consultancy firm Blood Associates, LLC. Mean corpuscular hemoglobin concentration ...

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 ...