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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?
Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).
Did you know?
Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.
Did you know?
Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
Did you know?
The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.