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Arndt–Schulz rule or Schulz' law is a claimed law concerning the effects of pharmaca or poisons in various concentrations. It states that: :''For every substance, small doses stimulate, moderate doses inhibit, large doses kill. That is to say, highly diluted pharmaca or poisons enhance life processes, while strong concentrations may inhibit these processes and even terminate them. The rule was named after Hugo Paul Friedrich Schulz and Rudolf Arndt. The latter originally formulated it in 1888. However, the exceptions to the rule are so numerous that it can not be considered a general law. For instance, many paralysing substances have no exciting effect in weak doses, and what constitutes a weak, medium or strong stimulus is highly individual, as pointed out by Arndt himself. The rule is no longer cited in modern pharmacology texts, having been supplanted by the theory of hormesis. ==Scientific basis for homeopathy== This rule has been claimed by some homeopaths as supporting their theories.〔 However, this rule does not apply to the dilutions typically used by homeopaths, which have a high probability of containing no molecules of the diluted substance ( note: homoeopathic remedies in its mother tincture or the first solution or first triturate has 10% of original drug substance in 2nd sequential dilute 1% and in 3rd 0.1% in 4th 0.01% and so on ; and in homoeopathy not only higher dilutions are used; homoeopaths use all remedies in all dilutions from lowest i.e. 10% of original substance to highest dilution depending on dose required) . To explain the purported therapeutic powers of homeopathic remedies(only for ultra high dilutes) Jacques Benveniste created the postulate of "water memory". The water memory hypothesis defies conventional scientific understanding of physicochemical knowledge through which the perceived effect of a chemical compound after its removal from a solution is not expectable due to the assumption ''no molecules, no effect''. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Arndt–Schulz rule」の詳細全文を読む スポンサード リンク
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