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Author Question: ________ veins are gnarled and enlarged. They are usually dilated and twisted, usually involving the ... (Read 93 times) |
Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.
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.
Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.
In 1844, Charles Goodyear obtained the first patent for a rubber condom.