KEY SYMPTOMS affectionate, open nature • tearfulness • cravings for cold drinks & salty foods • burning pains • person feels worse for lying on the left side of the body
Phosphorus was discovered in the 17th century by the German alchemist Hennig Brand. He kept secret his method of extracting it from urine, but it was soon discovered by the Irish chemist Robert Boyle. The name is derived from the Greek phosphoros, or "light-bringing," since the element glows in the dark. From 1669 the unstable, highly toxic white (or yellow) phosphorus was used to make fireworks and matches, but by 1845 it had been replaced by the nontoxic red form. The remedy was proved by Hahnemann and published in his Chronic Diseases (1821-34).
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