Leeching was largely abandoned as medical science advanced. Dr. Samuel Hahnemann, who first condemned the method of using leeches in treating the patients.

While mentioning in aphorism 74 of his Organon of Medicine - the worst kinds of chronic diseases are those produced by the unski llfulness of allopathic physicians - he stated:

... Among chronic diseases we must still, alas! reckon those so commonly met with, artificially produced in allopathic treatment by the prolonged use of violent heroic medicines in large and increasing doses, by the abuse of calomel, corrosive ... venesections ['shedding streams of blood' in the Sixth Edition], leeches, ... &c., whereby the vital force is sometimes weakened to an unmerciful extent, ...

Every creature of God has its use also, and the leech - a worm that attaches itself to the skin and sucks blood - is now proving it anew. Anti-clotting substances in the leech's saliva can be used in humans to prevent the blood clots that lead to heart attacks, say researchers. This may be used in plastic and reconstructive surgery too.

With the help of genetic engineering, researchers can make large quantities of leech saliva. Named hirudin (from European leech - Hirudo medicinalis), the drug is produced by many pharmaceutical companies worldwide.

Useful Leeches

Dr. Anil Singhal, M.D.

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