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Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.
The horizontal fraction bar was introduced by the Arabs.
Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.
There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
Less than one of every three adults with high LDL cholesterol has the condition under control. Only 48.1% with the condition are being treated for it.