Glad to see more progress in this arena (science -yay!) This quote from the article nails the rationale (not that I need convincing --preaching to the choir in my case):
‘When people are diagnosed with cancer, their lives can become
constricted. They sometimes cope with terror and sadness by shutting
down – they start to die before they actually do die,’ said Guss. ‘But
with psychedelics, there is a flood of information, making people feel
less shut down and more awake and alive.
Tat tvam asi