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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
All patients with hyperparathyroidism will develop osteoporosis. The parathyroid glands maintain blood calcium within the normal range. All patients with this disease will continue to lose calcium from their bones every day, and there is no way to prevent the development of osteoporosis as a result.
Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.
The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.