Benifit of Neem

Neem tree is useful for human diseases from ancient time. Wood, oil, and leaves every part of tree is beneficial for every body. Neem can not use for cook purpose but in India and Bangladesh it is used for preparing all kind of cosmetic and in Ayurvedic, Unini and folklore traditional medicine, in use of treatment of wide range of affections. It is most used in ancient time for skin diseases, inflammation and fevers.
Traditional Ayurvedic uses of Neem include the treatment of Acne, fever leprosy, malaria, ophthalmic and tuberculosis. Various folk remedies for neem include use as an anathematic, ant ophthalmic antiseptic, diuretic, emmenagogue, contraceptive, febrifuge, pediculocide and insecticide. It has been used in traditional medicine for the treatment of tetanus, urinary, eczema, scrofula and erysipelas. Traditional routes of administration of neem extracts included oral, vaginal and topical use. Neem oil has an extensive history of human use in India and surrounding regions for a variety of therapeutic purposes. Puri (1999) has given an account of traditional uses and therapeutic indications and pharmacological studies of this oil, in his book on neem
Formulations made of neem oil also find wide usage as a bio-pesticide for organic farming, as it repels a wide variety of pests including the mealy bug, beet armyworm, aphids, the cabbage worm, whiteflies, mites, fungus gnats, beetles, moth larvae, mushroom flies, leaf miners, caterpillars, locust, nematodes and the Japanese beetle. Neem oil is not known to be harmful to mammals, birds, earthworms or some beneficial insects such as butterflies, honeybees and ladybugs. It can be used as a household pesticide for ant, bedbug, cockroach, housefly, sand fly, snail, termite and mosquitoes both as repellent and larvicide (Puri 1999). Neem oil also controls black spot, powdery mildew, anthracnose and rust (fungus).
Neem seed oil has also been found to prevent implantation and may even have an abortifacient effect similar to pennyroyal, juniper berries, wild ginger, myrrh and angelica. The effects were seen as many as ten days after fertilization in rats though it was most effective at no more than three days. In a study on rats, neem oil was given orally eight to ten days after implantation of the fetus on the uterine wall. In all cases, by day 15, the embryos were all completely resorted by the body. The animals regained fertility on the next cycle showing no physical problems. Detailed study of the rats revealed increased levels of gamma interferon in the uterus. The neem oil enhanced the local immune response in the uterus. Studies done when Azadirachtin (the primary active pesticidal ingredient in neem oil) was approved as a pesticide showed that when neem leaves were fed to male albino rats for 11 weeks, 100% (reversible) infertility resulted.
Neem oil and other neem products such as neem leaves and neem tea should not be consumed by pregnant women, women trying to conceive, or children. Long-term use can cause liver damage Neem oil is also an effective treatment for the common parasitic skin problems in pet Guinea pigs.