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The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.
According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).
The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.
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).
![skeletal muscle consists of a group of fibers held together by connective tissue. It is enclosed in ...](https://biology-forums.com/gallery/47/medium_665046_01_03_17_9_12_00_261871967.jpeg)
![On some vehicles equipped with an airflow sensor, a switch is used to energize the fuel pump. In ...](https://biology-forums.com/gallery/29/medium_548020_30_05_17_11_10_54_299701375.png)
![A schematic showing that an inertia switch is connected in series between the fuel-pump relay and ...](https://biology-forums.com/gallery/29/medium_548020_30_05_17_11_10_58_29981478.png)