Practical Kabbalah transferred techniques from practical to speculative Kabbalah. While this led to the displacement of magical formulas and rites by contemplative exercises, the old forms of practical Kabbalah continued to exert broad appeal. Luria's position as the central teacher of modern Kabbalah, the foundation for later Hasidism, gives his proscription authoritative force. He taught that in our generations, without the Temple in Jerusalem and its ashes of the Red Heifer to purify, the pursuit of the realm of practical Kabbalah by a person with an impure body is very detrimental. The traditional role of the Baal Shem healer involved accepted methods
Yiddish Language Association agrees with fewer than 200,000 in the United States. Western Yiddish is reported by "Ethnologue" to have had an ethnic population of 50,000 in 2000, and an undated speaking population of 5,000, mostly in Germany. A 1996 report by the Council of Europe estimates a worldwide Yiddish-speaking population of about two million. Further demographic information about the recent status of what is treated as an Eastern–Western dialect continuum is provided in the YIVO "Language and Cultural Atlas of Ashkenazic Jewry" (Language and Cultural Atlas of Ashkenazic Jewry). There has been frequent debate about the extent of the linguistic