Horizon is a Documentary programme.



What's worst for you; fat or sugar? Twin doctors Chris and Xand Van Tullekan experiment on their own bodies - with one on a low fat diet and one on a low sugar diet. What will it do to their bodies?

Genre: Documentary

Running Time: 55 minutes (approx)

When is Horizon next on TV?

It's next showing on London Live Tomorrow, 8:00pm and on London Live January 18th, 9:00am. See more...