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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

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

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In the United States, congenital cytomegalovirus causes one child to become disabled almost every hour. CMV is the leading preventable viral cause of development disability in newborns. These disabilities include hearing or vision loss, and cerebral palsy.

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Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

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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.

A blood smear. The smear reveals representative cells from each formed element group: red blood cell A blood smear. The smear reveals representative cells from each formed element group: red blood cell
The Canadian ballot is considerably simpler than the American ballot. Note there is nothing like a c The Canadian ballot is considerably simpler than the American ballot. Note there is nothing like a c
The five skills of the element Collection of Information The five skills of the element Collection of Information
The two skills of the element Evaluation The two skills of the element Evaluation
He element M forms the chloride MCl4 containing 75.0% Cl by mass. What is the atomic weight of ... He element M forms the chloride MCl4 containing 75.0% Cl by mass. What is the atomic weight of ...
P element–mediated transformation in Drosophila P element–mediated transformation in Drosophila
Video: Carbohydrate digestion (brush border enzymes, end products) & Carb absorption (fructose, galactose)

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