The 79-year-old had to undergo open heart surgery in 2019 after a routine check revealed “a leaky valve.”
In a blog post, he wrote: “My heart scare reminded me that my body isn’t indestructible and if I want to keep it that way I must know when to stop working as well as when to start again.
“Over the last year, I discovered a rather enjoyable equilibrium, a balance between work and relaxation that for the first time in my life favoured the latter.
Fans will be hoping the star has many more travel shows in him.
Michael Palin: Into Iraq premieres on September 20, on Channel 5.