Open wide and prepare to swallow some truly terrible ideas as we uncover the wild and bizarre history of dieting this week.  We're joined by the globe-trotting, myth-busting, BAFTA-nominated doctor and TV presenter Xand Van Tulleken who is there to fact-check us on our science and quackery.

As usual we ping from the ancient world to the modern as we discover the $10,000 bottle of water it's too dangerous to drink, a Looney Toon who exists solely on air and sunlight and why you should never eat a tapeworm in Tonga.

Follow us on Twitter: @worstfoot @bazmcstay @benvandervelde @xandvt

Visit www.worstfootforwardpodcast.com for all previous episodes and you can now donate to us on Patreon if you’d like to support Ben’s baby and Barry’s crippling trivia addiction: https://www.patreon.com/WorstFootForward

Worst Foot Forward is part of Podnose: www.podnose.com