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Anti-aging claims should not ever be believed. There is no supplement, medication, or any other substance that has been proven to slow or stop the aging process.
Human kidneys will clean about 1 million gallons of blood in an average lifetime.
The largest baby ever born weighed more than 23 pounds but died just 11 hours after his birth in 1879. The largest surviving baby was born in October 2009 in Sumatra, Indonesia, and weighed an astounding 19.2 pounds at birth.
A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.
Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.
![An impact screwdriver used to remove slotted or Phillips head fasteners that cannot be broken loose ...](https://biology-forums.com/gallery/29/medium_548020_25_05_17_2_36_15_294341744.png)
![Traction the neck by placing the head, in neutral position facing upward, in one hand. Place the ...](https://biology-forums.com/gallery/33/medium_380798_23_08_17_3_35_48_331581713.jpeg)