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Did you know?

Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

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Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.

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Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.

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People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

Blood supply to the pituitary gland Blood supply to the pituitary gland
blood supply blood supply
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Hormonal and nervous factors influencing blood pressure Hormonal and nervous factors influencing blood pressure
Blood Supply to the Lungs Blood Supply to the Lungs
Valves in veins prevent the backflow of blood Valves in veins prevent the backflow of blood
Video: Renal Failure

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