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For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.
After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.
More than 4.4billion prescriptions were dispensed within the United States in 2016.
Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.
![Cade and colleagues discovered a way to improve athletic performance and prevent salt and water imba](https://biology-forums.com/gallery/47/medium_33_01_08_11_10_39_57_12782069.jpeg)
![Cade and colleagues discovered a way to improve athletic performance and prevent salt and water imba](https://biology-forums.com/gallery/47/medium_33_01_08_11_10_39_57_12791151.jpeg)