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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.
People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.
This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.
Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.