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Did you know?
The familiar sounds of your heart are made by the heart's valves as they open and close.
Did you know?
Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.
Did you know?
More than 4.4billion prescriptions were dispensed within the United States in 2016.
Did you know?
Cyanide works by making the human body unable to use oxygen.
Did you know?
Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.