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'''David I. Macht''' was a medical researcher at John Hopkins medical researcher University, with a number of notable achievements. , including: * In the field of toxicology, Dr. Macht was is known for his work regarding phytopharmocological phytopharmocology (using plant based methods) for determining toxicity. Dr. Macht wrote in the peer reviewed journal ''Science'' that the toxicity test used for the study on Levitical clean and unclean animals that this method was "certainly just as reliable as those gathered from animal test subjects, if not more so" .<ref>Macht, D.I. (see reference below1930). DrContributions to phytopharmacology or the applications of plant physiology to medical problems. Macht added in the ''Science'' article, 71, 302-306.</ref> Dr. Macht added "poisons elaborated or produced by animals or zoogenic poisons, are commonly much more toxic for living plant protoplam than for living animal tissues." * In addition, in the field of toxicology Dr. Macht was a snake venom expert. Currently * In conservative Jewish religious circles, Dr. Macht is known for his work reported in a John Hopkins honors University publication indicating that kosher food (meat, fish, etc) is less toxic than non-kosher food. * Dr. Macht vis a vis had research indicating the David Iharmful physiological effects of meat and milk combinations. * Dr. Macht compared conventional animal slaughtering versus kosher slaughtering and determined that kosher slaughtering produced less toxic meat. * Dr. Macht awardhad considerable expertise in Hebrew literature as well.

In conservative Jewish religious circles, Johns Hopkins University honors Dr. Macht is known for his work reported in vis a John Hopkins publication indicating that kosher food (meat, fish, etc) is less toxic than non-kosher food. In addition, Dr. Macht had research indicating vis the harmful physiological effects of meat and milk combinations. Lastly, DrDavid I. Macht compared conventional animal slaughtering versus kosher slaughtering and determined that kosher slaughtering produced less toxic meataward.

=== Related References{{reflist}} See also: ===* Macht, D. M.D. (1953). An Experimental Pharmacological Appreciation of Leviticus XI and Deuteronomy XIV. ''Bulletin of the History of Medicine'', 27, 444-450.* Macht, D.I. and Macht, M.B. (1941). ''Journal of Laboratory and Clinical Medicine'', 26, 597.* Macht, D. I. (1940). ''Medical Leaves'', 3, 174-184