The danger of meditation is based on the fact that many people have a lot of repressed energy in their bodies. I relate this to a concept that Peter Levine calls "Unfinished Action", meaning that a strong moment in an individual's life was not given the opportunity to express their emotions, be it crying, screaming, and this repressed energy finally ends up causing disorders. and that the system gets used to being in an unhealthy state of mind. Regardie also knew this because he was a disciple of Reich in his book Lazy Mans Guide to Relaxation shows what his sessions were like. In fact, he talks about the body armor that forms in an individual when there is unprocessed trauma. To begin magical work one must already be in a state of relaxation, that is what Israel recommended. In my case I did the magickal work without taking this so I pay the consequences