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Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.
The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.
Vaccines prevent between 2.5 and 4 million deaths every year.
For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.
The familiar sounds of your heart are made by the heart's valves as they open and close.