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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.
There are more bacteria in your mouth than there are people in the world.
This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.
According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.