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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?
According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.
Did you know?
Vaccines prevent between 2.5 and 4 million deaths every year.
Did you know?
Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.
Did you know?
The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.