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Author Question: Tyrone is 18 years old and challenges his 55-year-old father to a memory test. Tyrone would be most ... (Read 149 times) |
The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.
Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
Approximately 500,000 babies are born each year in the United States to teenage mothers.
People about to have surgery must tell their health care providers about all supplements they take.
It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.