Neem scientifically known as Azadirachta indica (family Meliaceae) is perhaps the most versatile medicinal plant with multifarious uses, as pesticides, insecticides, fungicides, bactericides and also as powerful agent for treating a variety of human ailments and disorders.
The ancient Indians thus believed that Neem is destroyer of all diseases and provide them with excellent health and prosperity including mosquito repellent. Perhaps of this strong faith in Neem promoted them to plant Neem in the courtyard of houses, in public places and on road sides. It is also custom in India to spread Neem leaves on around the bed of the small pox patients and after recovery of them small pox patients are given their first bath in a water which is preboiled with neem leaves. It is believed that this will prevent from spreading the small pox and also hasten the healing of the pox marks and also protect the skin.
The word ‘Neem’ is derived form the Sanskrit “NIMBA” which means to bestow health’- which signifies the great therapeutic value of this plant. All parts of Neem Plant have medicinal properties and used extremely in Indian traditional systems of medicine. Neem oil is endowed with many medicinal properties and there are many Neem oil based traditional preparations used for pesticides, fungicides and also for treating many human diseases.