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Medicine Facts

Why Is Blood Pressure Two Numbers?

Blood pressure might better be called heart pressure, for the heart's pumping action creates it. To measure blood pressure, health workers determine how hard the blood is pushing at two different ... Continue reading

Blood pressure cuff measures systolic and diastolic pressure.

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

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

What Is Narcolepsy?

Narcolepsy is a sleep disorder than affects about 1 of every 2000 people worldwide. It usually starts in the teens or twenties, but it may begin in childhood. People who have it fall suddenly and ... Continue reading