“What is that thing on your shoulder?” has been the question I’ve been asked most frequently for the last month. Understandably so. For the last 30 days, just barely peeking out from under the sleeve ...

Alanine aminotransferase (ALT) is a liver enzyme, and high levels can indicate liver damage. Dietary and lifestyle steps to lower ALT levels may help the liver recover. This article looks at what ALT ...

The effects of stress vary from person to person. Sodium, an essential nutrient, helps your body function by maintaining blood pressure and fluid levels, as well as supporting your muscles and nerves.

Becky Brown is a professional writer whose mission it is to empower readers. She tells stories that help people make smart, informed decisions about their health and lives. She’s covered everything ...

Hematocrit is the percentage of red blood cells in a person‘s blood. A typical hematocrit range in adults is 36–54%. However, age, sex, and health conditions can influence hematocrit levels. Low red ...

A sodium blood test will tell you if your blood sodium levels are normal. Blood sodium levels actually have little to do with how much sodium you consume and are tightly regulated by your body's ...

Higher than normal blood ammonia levels are called hyperammonemia. Acceptable levels depend on age and sex but range from about 42 µg/dL in infants to 200 µg/dL adults assigned male at birth. When you ...