LYCOS RETRIEVER 
Potassium
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Potassium-based salt substitutes are a double-edged sword. Most Americans get too little potassium. Increasing intake could protect against stroke, high blood pressure, heart-rhythm problems, kidney trouble and even osteoporosis. But extra potassium can be dangerous for people who have trouble flushing out any excess or who are taking medications that can increase potassium levels in the bloodstream.
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Potassium is never found free in nature, but is obtained by electrolysis of the hydroxide, much in the same manner as prepared by Davy's first process. Thermal methods ... are commonly used to produce potassium (such as by reduction of potassium compounds with CaC
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Potassium bromide is not a licensed medication in the United States and special approval from the FDA must be given if it is to be used. In older times, bromides were indeed licensed and used routinely for treating seizure disorders in humans; ... when phenobarbital was introduced bromides were completely eclipsed. It soon became unprofitable to continue the FDA registration for bromides and the manufacture of bromides became relegated to chemical companies only.
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Potassium toxicity is rare, but excessively high intakes can lead to muscular weakness and heart complaints, and may accompany kidney disease. The daily potassium requirement is about 2-4 grams (UK recommended level for adults is 3.5 g per day).
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Potassium information, including safety data and its properties, research, applications and other useful facts are discussed below. Scientific facts such as the atomic structure, ionization energy, abundance on Earth, conductivity and thermal properties are included.
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Because of the inherent safety of Potassium Iodide, it is available without a prescription for radiation protection. Its use... should be limited to radiation emergencies and only when recommended by emergency response authorities.
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Potassium