The comedian agreed for Dr Chris Steele to undertake the examination to encourage men to have the same test if they think there is something wrong.
Alexander said to the viewers:
‘It takes 20 seconds and it’s so easy,’ ‘You can do it yourself! Caught early – it’s very curable.’
After just a 15 second examination Armstrong just couldnt believe how quick it was over with.
He did so well to have that test in front of millions.