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Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.
When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
When taking monoamine oxidase inhibitors, people should avoid a variety of foods, which include alcoholic beverages, bean curd, broad (fava) bean pods, cheese, fish, ginseng, protein extracts, meat, sauerkraut, shrimp paste, soups, and yeast.
Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.