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Did you know?

The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.

Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

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The average office desk has 400 times more bacteria on it than a toilet.

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About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

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Over time, chronic hepatitis B virus and hepatitis C virus infections can progress to advanced liver disease, liver failure, and hepatocellular carcinoma. Unlike other forms, more than 80% of hepatitis C infections become chronic and lead to liver disease. When combined with hepatitis B, hepatitis C now accounts for 75% percent of all cases of liver disease around the world. Liver failure caused by hepatitis C is now leading cause of liver transplants in the United States.

Tissues of the heart. Tissues of the heart.
Examples of portal hypertension vascular distention complications. Examples of portal hypertension vascular distention complications.
Human Heart Human Heart
Gross anatomy of the heart Gross anatomy of the heart
Venous return to the heart and blood flow to the lungs. Venous return to the heart and blood flow to the lungs.
Location of the heart in the mediastinum of the throrax Location of the heart in the mediastinum of the throrax
Video: Factors that affect conduction rates (myelination, axon diameter & temperature)

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