Medically reviewed by Christopher Lee, MD Key Takeaways Normal hemoglobin levels differ for men and women, with adult males ...

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 ...

SKIATOOK LAKE, Okla. — For the first time in nearly three years, the water level at Skiatook Lake returned to its normal level. While the rain kept many boaters off Skiatook Lake on April 29, it has ...

Creatinine levels are measured to gauge how well a person's kidneys are functioning. Normal creatinine levels are between 0.7 to 1.3 mg/dL for men, and 0.6 to 1.1 mg/dL for women. To lower your ...

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 ...

For adults, a typical level of vitamin D in the blood is 20 nanograms per milliliter (ng/ml) or above. Levels of 12 ng/ml are too low and levels of 50 ng/ml are too high. High or low levels may affect ...

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

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 ...

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 ...

A new health checkup system was introduced in Japan in 2008. This system aims to prevent lifestyle-related diseases such as diabetes through the early detection and intervention of metabolic syndrome.

Many men are familiar with the routine: During your annual exam, your doctor slips on a glove and feels your prostate. The goal is to check this walnut-sized organ for lumps, hard spots, and other ...