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Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.
People about to have surgery must tell their health care providers about all supplements they take.
According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.
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.
The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.