United Kingdom, March 13 -- John Mulaney has claimed Olivia Munn's cancer treatment has left her "so dumb" at times.

The 42-year-old actor - who has Malcolm, three, and Mei, six months, with 'The Newsroom' actress - praised his wife for being an "inspiration" while battling breast cancer but revealed one of the side effects she has experienced after undergoing "challenging" medical processes has been so-called "cancer brain".

Speaking on the new season of his Netflix talk show 'Everybody's Live With John Mulaney', he said: "Yes, I have two children now. One was controversial, one you all seem to be cool with.

"So, thank you so much for that. I did want to say something: Over the past few months, many people have reached out in a very n...