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There are more nerve cells in one human brain than there are stars in the Milky Way.
Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.
To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.
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.
Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.
![The percentage of never-married men and women decreases with age, and by the age of 65, more than ...](https://biology-forums.com/gallery/47/medium_660365_23_12_16_3_52_08_243731791.jpeg)
![Young adulthood brings the greatest number of role transitions and highest levels of demands than ...](https://biology-forums.com/gallery/27/medium_660366_08_04_17_10_20_36_27582733.jpeg)