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Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.
During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).
Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.
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.
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.