|
|
After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.
Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.
Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.
In 1844, Charles Goodyear obtained the first patent for a rubber condom.
![Jaundice. Photograph of an individual with liver disease, evidenced by the yellowing of the sclera o](https://biology-forums.com/gallery/47/medium_14755_26_10_12_5_22_58_96781691.jpeg)
![Transdermal patch administration: (b) patch immediately applied to clean, dry, hairless skin and lab](https://biology-forums.com/gallery/47/medium_46687_08_12_14_4_57_16_195191629.jpeg)