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Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.
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.
This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
Vaccines prevent between 2.5 and 4 million deaths every year.