|
|
There are more nerve cells in one human brain than there are stars in the Milky Way.
A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.
The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.
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.
Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.
![teach their children to care for the earth in hopes of passing on a better world to future generatio](https://biology-forums.com/gallery/47/medium_18099_21_09_12_5_53_31.jpeg)
![Some scholars regard Walt Whitman as a poet of nature, and others, a poet of the body—a reference to](https://biology-forums.com/gallery/47/medium_375348_18_08_15_9_36_29_223021934.jpeg)