Horizon Season 2002 Episode 16 Homeopathy: The Test

"Homeopathy: The Test" is an intriguing episode from the Horizon season of 2002. The episode examines homeopathy, a system of alternative medicine that is based on the principle that "like cures like." Homeopaths believe that a substance which can cause the symptoms of a disease in a healthy person can also cure those same symptoms in a sick person, provided it is diluted in water and succussed (shaken vigorously).

The show delves into the history of homeopathy and how it was developed by German physician Samuel Hahnemann in the late 18th century. It explores the basic principles of homeopathy, including the idea that the more diluted a substance is, the more potent it becomes. Critics of homeopathy argue that this goes against the principles of science and that there is no scientific evidence to support the claims made by homeopaths.

In order to put these claims to the test, the episode follows a team of researchers at the University of Glasgow who set out to conduct a series of experiments to test the efficacy of homeopathy. The experiments are designed to be rigorous and scientific, using double-blind, placebo-controlled trials to ensure that the results are not biased.

The first experiment involves using a homeopathic remedy to treat hay fever. The team recruits a group of hay fever sufferers and divides them into two groups: one group receives a homeopathic remedy, while the other group receives a placebo. Neither group is told which treatment they are receiving. The results of the trial are surprising, with both groups showing significant improvement in their symptoms. However, the study is criticized for its small sample size and the fact that it was not replicated elsewhere.

The team then moves on to a second experiment, this time using homeopathy to treat arthritis. Again, the team recruits a group of arthritis sufferers and divides them into two groups: one group receives a homeopathic remedy, while the other group receives a placebo. This time, the results are less promising, with no significant difference between the two groups. This leads the team to conclude that homeopathy may work for some conditions, but not for others.

As the episode progresses, it becomes clear that the debate over homeopathy is far from settled. While some in the scientific community dismiss homeopathy as nothing more than quackery, others argue that it deserves further investigation. In a final twist, the episode reveals that one of the researchers involved in the study has changed her mind about homeopathy and now believes that it may have some merit after all.

Overall, "Homeopathy: The Test" is a fascinating exploration of one of the most controversial topics in alternative medicine. The episode presents a balanced view of the subject, allowing viewers to make up their own minds about the effectiveness of homeopathy. Whether you are a skeptic or a believer, this episode is sure to leave you with plenty to think about.