The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.
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One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.
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All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.
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The familiar sounds of your heart are made by the heart's valves as they open and close.
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People about to have surgery must tell their health care providers about all supplements they take.
Diagram of a prokaryotic flagellum, showing filament, hook, and motor.