|
|
Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.
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.
In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.
It is difficult to obtain enough calcium without consuming milk or other dairy foods.
As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.
![Phyllis Schlafly drew much of her support from working-class women who were left vulnerable by the ...](https://biology-forums.com/gallery/47/medium_646588_06_12_16_2_57_09_2423685.jpeg)
![Whenever a vehicle is raised off the ground, a safety stand should be placed under the frame, axle, ...](https://biology-forums.com/gallery/29/medium_548020_25_05_17_2_57_18_29480919.png)