Cross posted from Nature’s The Great Beyond blog.
Good news for proponents of alternative medicine: a paper published in a prestigious medical journal appears to demonstrate that a homeopathic remedy really does have a pretty powerful biological effect. Unfortunately, this effect is to rob some users of their sense of smell.
Concerns that popular ‘homeopathic’ cold remedy zinc gluconate can cause a loss of smell have been around for a while. Now an analysis by two San Diego researchers shows these concerns may be well founded