|
|
After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.
The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.
![People whose behaviors violate norms are often called mentally ill. “Why else would they do such ...](https://biology-forums.com/gallery/27/medium_660366_13_04_17_5_46_05_27684280.png)
![A reconstruction of the brain injury of Phineas Gage. The damage focused on the medial prefrontal ...](https://biology-forums.com/gallery/30/medium_548020_07_06_17_2_27_44_30414804.png)