Healthcare professionals typically consider a blood sugar level at or below 50 mg/dL to be dangerously low. This level may lead to coma or loss of consciousness. Someone with low blood sugar symptoms ...

Ferritin is a protein that stores and releases iron (a mineral) in the body. A ferritin test measures how much of this protein is in your blood, helping diagnose health conditions caused by too much ...

Blood sugar comes from carbohydrates you eat and gives your body energy. Healthy blood sugar is 70-99 mg/dL fasting and below 140 mg/dL after you eat. You can monitor your blood sugar, exercise, and ...

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 ...

Wendy Wisner is a journalist and international board certified lactation consultant (IBCLC). She has written about all things pregnancy, maternal/child health, parenting, and general health and ...