In many cases patients receive relatively strong pain relief drugs after surgeries, such as opioids. Are you sure the recommendation you mentioned is not due to

In many cases patients receive relatively strong pain relief drugs after surgeries, such as opioids. Are you sure the recommendation you mentioned is not due to that rather than anesthesia? What if the feeling of change is an illusion? Many people after doing shrooms think they felt unity with all life, but I am yet to see where that experience would let them better interact with fellow humans.