USA TODAY - CNN doctor Sanjay Gupta had a revelation last week that most who follow him probably thought they'd never hear.
The doctor, who had previously been against marijuana, has come to know its benefits.
One comedian says it's because Gupta finally smoked a lot of it himself.
Who knows why he changed his mind, but last week he recanted his former stance and disclosed a new truth - that marijuana actually has medical benefits.
Take a look at our favorite jokes about Gupta's change of heart.
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