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The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

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The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.

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After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

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Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.

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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.

Betelgeuse is a semiregular variable star Betelgeuse is a semiregular variable star
Negative feedback control of a regulated variable. Negative feedback control of a regulated variable.
Negative feedback control of a regulated variable. Negative feedback control of a regulated variable.
A beam-type torque wrench that displays the torque reading on the face of the dial. The beam display ... A beam-type torque wrench that displays the torque reading on the face of the dial. The beam display ...
How to convert verbal statements into algebraic equations (Part 1) How to convert verbal statements into algebraic equations (Part 1)
Identify the variable representing each described quantity in the equation Identify the variable representing each described quantity in the equation
Video: Introduction to Human Immunodeficiency Virus (HIV)

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