Deep belief in the existence of life after death, of course, facilitates the process of dying inevitable that the majority of mankind is considered unfair and confusing.
In the current literature on psychiatry and psychology existence of the underworld is seen as a manifestation of unwillingness to accept the fact of death and impermanence.
Now we begin to understand that science is a bit wrong in sentencing ancient systems of thought.
It is necessary to analyze and impartially assess reports of clinical death, to make sure that the various mythologies are a reality in relation to the consciousness of the dying.
In recent decades, science has been vigorously pursued psychedelic research, the result will be important neurophysiological and phenomenological data. They argue that the experiences that occur during, before and after his death, and which reflect the presence of complex mystical, religious and mythological scenes, it can be based on a medical reality.
The underlying concept of different cultural environments of existence beyond the world remains the same: death - this is not a complete cessation of existence of human nature.
A variety of clinical studies show many mythological ideas. So, those who do not know absolutely mythology, during clinical death, and various studies of LSD without Anyway programming seen episodes, images, thematic sequences having a striking resemblance to descriptions of various mythological way the human soul after death.
Thus, it can be assumed that the existence of different religions, myths, which reflect a basic idea about the existence of life after death - and there is a kind of science.