Horizon: Season 0, Episode 24

0 - 24: BSE: The Human Experiment

This is part two of a two-part Horizon series on Bovine Spongiform Encephalopathy (BSE), more commonly known as "mad cow" disease, and how it is transmitted to humans, becoming CJD (Creutzfeldt Jakob disease), how many people are at risk, and what the chances are of finding a cure.