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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.
After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.
People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.
The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.