agree in opinion that some books treat people, and others have opposite effect.
Treatment books is called biblioterapiy. This method gathers popularity every year. Psychologists advise people to read those books in which the main characters will have similarity to them. In the main hero of people will see himself. Usually in such stories the heroes overcome problems, diseases and their end of course happy. Thus, the person empathizes the main character. He can have not only a similar situation, but also just the same. And in the ambassador of reading of the happy end at people the mood is lightened. They begin to believe that they as well as their main character will be able to overcome all problems and to become happy.
The second method of a biblioterapiya consists in small stories about itself or the wonderful healing. This method is very effective for children. The most important according to psychologists is the happy end in which the good vse6gda overcomes the evil. This method is called still a skazkoterapiya.
Books can be not only useful, but also harmful.
Harm of books:
Hobby for one sort or genre and categorical rejection of others. For an example children who read only a fantasy can perceive at long reading only fantastic heroes and fight about reality. Or to become reserved because fantastic heroes such good, and real friends or schoolmates for it so bad. Thus, children begin to be disappointed in the early age, and it often leads to depressions and psychological problems up to deviations.
Other example: when little girls read too many tales of love and begin to believe in them gradually. Often about the prince on a white game or similar to it images. Usually such princes do smart proposal on a lap – in fairy tales. Having read such books very often girls do not marry until the end of the life. They had in subconsciousness a certain image of the boy prince. And in reality they meet not princes of course, and ordinary guys or even rude fellows to whom similar courting also cannot come to mind.
Also, plays much important role and reading is correct. The eyesight to be damaged because of non-compliance with rules of reading known to us.