The Gist

Is Marijuana Making You Stupid?

Your stoner friends love talking about Phish. Can we blame the pot? 

Is White Castle or pot worse for our brains?

Listen to Episode 431 of Slate’s The Gist:

Subscribe in iTunes ∙ RSS feed ∙ DownloadPlay in another tab
Slate Plus 
members: Get your ad-free podcast feed.

On The Gist, Mike’s thoughts on the P-word. Then, Maria Konnikova of the New Yorker tells us about the challenge of doing a controlled trial on a controlled substance. She’s the author of The Confidence Game. For the Spiel, Mike fact-checks a widely ignored statement from Chris Christie.

Today’s sponsors:

Betterment, the largest automated investing service—managing billions of dollars for people just like you. Get up to six months of investing free when you go to

Harry’s, the shaving company that offers German-engineered blades, well-designed handles, and shipping right to your door. Visit for $5 off your first purchase with the promo code GIST.

Join Slate Plus! Members get bonus segments, exclusive member-only podcasts, and more. Sign up for a free trial today at

Join the discussion of this episode on Facebook.

Twitter: @slategist