The Conservative MP said medical advances using cannabis had been set back "fifty years" by the drug being illegal in the UK.
The MP said he will get "nothing" in return if cannabis is legalised, despite chairing a drugs reform group backed by cannabis corporations.
Conservative MP Crispin Blunt is calling for the tradition of saying prayers at the beginning of parliamentary business to be abolished.
The Conservative politician told talkRADIO's Mike Graham that he had an "easy" solution to navigating negotiations with the European Union.
Conservative MP Crispin Blunt has admitted that he submitted his no confidence letter in Theresa May twice, after withdrawing it earlier this year when Theresa May brought back a deal from the EU.
The Conservative MP has said the jailing of Matthew Hedges could result in a breakdown of the mutual defence treaty between the UK and the United Arab Emirates.
Crispin Blunt tells Julia Hartley-Brewer that the UK could look to follow in Canada's footsteps and fully legalise cannabis, as the product is made legal for medical purposes
The author, who has been campaigning to fight Brexit and for the final deal to be voted for by the people when the final deal is agreed with the European Union, lambasted Brexiteers on Julia Hartley-Brewer's show on talkRADIO.
Crispin Blunt, the MP for Reigate and former chair of the Foreign Affairs Committee, spoke to Julia Hartley-Brewer about the findings of a BBC investigation
Conservative MP Crispin Blunt claims Theresa May's speech won't have changed anything
The US has carried out a missile strike against a Syrian air base, after a suspected chemical attack in Syria which killed at least 80 people
Crispin Blunt plays down human rights criticism in conversation with Sam Delaney
Conservative MP Crispin Blunt ridicules the amendments introduced to the Article 50 bill by the House of Lords
The committee chair, Crispin Blunt, insisted Russia is not an enemy and said mounting tension must be defused
House of Commons speaker John Bercow has defended his comments about Donald Trump's state visit