Neem

Neem (Azadirachta indica) is a tree in the mahogany family Meliaceae. It is one of two species in the genus Azadirachta, and is native to India, Myanmar, Bangladesh, Sri Lanka, Malaysia and Pakistan, growing in tropical and semi-tropical regions.

Neem is a fast-growing tree that can reach a height of 15–20 m It is evergreen, but in severe drought it may shed most or nearly all of its leaves. The branches are wide spread. The fairly dense crown is roundish or oval and may reach the diameter of 15–20 m in old, free-standing specimens.
Uses
Neem oil is used for preparing cosmetics (soap, shampoo, balms and creams, for example Margo soap), and is useful for skin care such as acne treatment, and keeping skin elasticity.
Besides its use in traditional Indian medicine the neem tree is of great importance for its anti-desertification properties and possibly as a good carbon dioxide sink. Practitioners of traditional Indian medicine recommend that patients suffering from chicken pox sleep on neem leaves.
Aqueous extracts of neem leaves have demonstrated significant antidiabetic potential.
A decoction prepared from neem roots is ingested to relieve fever in traditional Indian medicine.
Neem is deemed very effective in the treatment of scabies, although only preliminary scientific proof, which still has to be corroborated, exists[citation needed], and is recommended for those who are sensitive to permethrin,
There is also anecdotal evidence of its effectiveness in treating infestations of head lice in humans. A tea made of boiled neem leaves, sometimes combined with other herbs such as ginger, can be ingested to fight intestinal worms

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