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Medicine Facts

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 Autism?

Autism is not a disease, but a developmental disorder of brain function. People with classical autism show three types of symptoms: impaired social interaction, problems with verbal and nonverbal ... Continue reading

The Incredible Capacity Of The Immune System

By age two, infants in the US can receive up to 20 vaccinations. In view of that, concerns had been raised that too many immunizations could overwhelm an infant's immune system. ... Continue reading

Lymphatic vessels form a circulatory system that operates in close partnership with blood circulation.

What Is a Bruise?

A bruise is a deposit of blood under the skin. It flows from tiny capillaries that break when you bump your shin on the furniture or take the batter's pop fly in the eye. The injury starts out looking ... Continue reading