« previous next »
« previous next »
 

Did you know?

No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.

Did you know?

Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

Did you know?

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.

Did you know?

Asthma cases in Americans are about 75% higher today than they were in 1980.

Examples of different cell types in humans Examples of different cell types in humans
Examples of open and closed ended questons Examples of open and closed ended questons
Examples of goal setting Examples of goal setting
Examples of Scenarios Involving Nonmoral, Impersonal Moral, and Personal Moral Judgments from the St Examples of Scenarios Involving Nonmoral, Impersonal Moral, and Personal Moral Judgments from the St
U.S. Drug Schedules and Examples U.S. Drug Schedules and Examples
Selected examples of variability in eukaryotic promoters Selected examples of variability in eukaryotic promoters
Video: Carpal Tunnel Syndrome

For a complete list of videos, visit our video library