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.

Doctors and twins Chris and Xand van Tulleken's experiences through the Covid-19 pandemic have far more personal consequences than either could have imagined.

Chris van Tulleken takes a personal view at why ultra-processed foods are so irresistible and how they have come to dominate food culture.

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

In this major three-part series, Chris and Xand van Tulleken uncover the latest secrets of our bodies.

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

A social experiment in which Dr Chris van Tulleken takes over part of a GP surgery and stops patients' prescription pills.

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

A team of health experts meet ordinary people to reveal how quickly their organs, skin, muscles and brain are growing old. Using the latest science, they attempt to help them slow down the speed at which they’re ageing.