Humans have strong magnetic field that can be called aura. Evil eye is considered as the curse given by the jealous person or the deceived person. It can create holes in aura and thus disturb the balance of the aura around the person.
There can be many ways to ward of the evil eye but the most simple and the effective way to ward of the evil eye is rotating crystal salt, lemon around head of the person.
According to scientists, salt and lemon have antibiotic properties as well as has the properties of balancing the magnetic field around the person. When the salt and lemon revolve around the person, it forms a protective layer of antibiotics around the person and also balance the magnetic field too. Thus, after rotating salt and lemon, the person affected with the evil eye can feel better.