Kristin Weiland is a documentary film producer and writer with a background in crisis management and ethnographic research. She specializes in investigative and social impact documentary projects, and ...

This article was reviewed by Darragh O’Carroll, MD. Understanding Blood Tests: How They Work and What They Can Tell You Blood ...

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Elevated creatinine levels signal potential kidney strain, indicating impaired waste filtering. While normal ranges exist, ...

The U.S. health care system primarily focuses on treating illnesses rather than preventing them. Many chronic diseases, like heart disease, develop without obvious symptoms until they are advanced. A ...

Even though it often gets a bad rap, cholesterol is actually essential for health. Your body needs cholesterol for important functions like building cells and creating hormones like estrogen and ...

A complement C4 (also known as a complement component 4, or simply C4) is a test to measure the level of C4 proteins you have in your blood. These proteins play a role in how your immune system ...

ANSWER: The prostate specific antigen (PSA) test is a way to screen for prostate cancer. It is not perfect, but when used properly, it can save lives by identifying men who have early prostate cancer ...

A newly approved blood test can help rule out some cases based on the amount of amyloid in the brain. A neurology professor ...

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 ...

Testosterone is arguably one of the most essential hormones for supporting men’s health. It plays a role in supporting intimate, bone, muscle, and mental health. Testosterone levels that are higher or ...