This world is running due to the help of some kind of energy,it can be positive or negative. If positive energy exists then of course negative energy exists as well.
positive cannot exist, all negative cannot exist either.
It is also said that energy is not black or white, energy is just energy.
We will tell you how to stay away from these energies. But not just that, they will tell you of somebody who has performed black magic on you and how to undo that black magic.Sometimes, people get jealous and through their pent up use this Negative energy/ Black magic for their personal gain and try to hurt people by using this negative energy & people don’t understand what is going around them.However, sometimes medical sciences cannot explain certain things but these things are related to black magic and spirituality.