« previous next »
« previous next »
 

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?

Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Did you know?

People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.

Did you know?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

An example of color blindness test. A person with red-green color blindness would not be able to dis An example of color blindness test. A person with red-green color blindness would not be able to dis
Living arrangements of older adults in the United States vary widely depending on gender and ... Living arrangements of older adults in the United States vary widely depending on gender and ...
Gender Schema Theory Gender Schema Theory
Work and Gender: Women at Work in India Work and Gender: Women at Work in India
Work and Gender: Women at Work in India Work and Gender: Women at Work in India
Pelvis and knee rock. Hold the feet again for a moment, and move to the person’s right side. Place ... Pelvis and knee rock. Hold the feet again for a moment, and move to the person’s right side. Place ...
Video: Factors that affect conduction rates (myelination, axon diameter & temperature)

For a complete list of videos, visit our video library