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Author Question: Astigmatism is a/an ________ disorder. A) infectious B) refractive C) chronic D) ... (Read 42 times) |
Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
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.
Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.
The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").