United Kingdom, April 28 -- John Cleese took LSD at 65 to see "what it was all about".

The 85-year-old comedy legend was "surprisingly ignorant" and was never "interested" in drugs when he was younger, but in 2005, he decided to try the potent hallucinogen - which "can alter a person's perception of reality and vividly distort the senses" - under supervision, and was left in amazement by how "fertile the human mind is".

He told The Times' Weekend magazine: "I just wanted to know what it was all about.

"The man was one of the world experts on it so I felt perfectly safe.

"I got scared for about 10 minutes in the middle, and he and his wife saw me through that.

"But it was extraordinary to realise how fertile the human mind is."

The '...