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Author Question: Evaporative cooling systems work by: A) Evaporating refrigerant inside a component called an ... (Read 116 times) |
On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
Women are 50% to 75% more likely than men to experience an adverse drug reaction.
Never take aspirin without food because it is likely to irritate your stomach. Never give aspirin to children under age 12. Overdoses of aspirin have the potential to cause deafness.
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.
Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.