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Medicine Facts

What Is High Blood Pressure?

High blood pressure is a blood pressure reading of 140/90 mmHg or higher. Both numbers are important. About one in every four American adults has high blood pressure. Once high blood pressure ... Continue reading

Your Friend, the Fat Cell

A healthy, adult human body contains about 35 billion fat cells. Each contains about 0.5 micrograms of fat. Stored fat is essential to good health. Fat is the body's principal energy reserve. It is ... Continue reading

Mature fat cells filled with fat.

Malaria and Sickle Cell Anemia

Sickle cell anemia is a genetic disorder in which the red blood cells collapse into a 'sickle' shape and cannot carry oxygen very well. They also tend to get stuck in narrow blood vessels, causing ... Continue reading

My Aching Back

The back is an intricate structure of bones, muscles, and other tissues that form the posterior part of the body’s trunk, from the neck to the pelvis. The centerpiece is the spinal column, which not ... Continue reading