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People about to have surgery must tell their health care providers about all supplements they take.
When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.
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.
For pediatric patients, intravenous fluids are the most commonly cited products involved in medication errors that are reported to the USP.
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.