Hypnotism can be called as a science of mind . A person knowing hypnotism can rule the mind of other by hypnotising the another person. The another person thinks, do things as ordered by person who has hypnotised him.The other person who has hypnotised rules the mind of person hypnotised and the behaviour and action both is ruled by the person who has used hypnotism on the person.
Some people does not believe in hypnotism as they dont know that hypnotism really exists and it is somewhat a type of science. Learning hypnotism is not a easy thing it needs a lot of learning and practical knowledge. Thats why everyone cant learn hypnotism.
Hypnotism has various benefits and some disadvantages too. Some use hypnotism for good purposes and some also make bad use of it. Hypnotism sometimes help to solve the problem of stress problem of a person. Hypnotism can be used to change the thinking of a person and help him to forget something which is pressurising him. Hypnotism can be used to get back the memory of a person who has forget everything may be due to a accident or any other reason.
Some people also use hypnotism for bad purposes. Some use hypnotism for ruling the mind of an another person and getting the thing wanted to be done. They use hypnotism for getting what they want. There have been some cases where thieves have use hypnotism. Thieves hypnotised the person and then rob the person. The person who was robbed couldn't remember anything as he was hypnotised.Such bad use of hypnotism is like using a good thing in a bad way.
Hypnotism is very beneficial if used for a good use and at the same time hypnotism may harm someone.