Chris van Tulleken

Is ultra-processed food causing obesity in children, and could it even be addictive? Dr Chris van Tulleken investigates as he undergoes an experiment that shocks the scientists.

Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.

Based on the best-selling children's books and liberally splattered with guts, blood and poo, a group of British comedians offer an anarchic and unconventional take on some of history's most gruesome and funny moments, with topics including the Stone Age, the Middle Ages, the Egyptians and the Romans, among others.

A British genealogy documentary series in which celebrities trace their ancestry, discovering secrets and surprises from their past.

Celebrity Mastermind is a British television quiz show broadcast by BBC television. The show is a spin-off of the long-running quiz show Mastermind, with the exception that all the contestants are celebrities. As with the main show, John Humphrys is the host and question-master. Magnus Magnusson was quizmaster on the 2003/04 episodes featuring Jonathan Meades as winner.

Doctors Chris and Xand van Tulleken put competing health theories to the test with the help of 30 other pairs of identical twins.