In 2005, the British medical journal The Lancet attacked the use of homeopathic treatments saying that doctors should be honest about homeopathy's lack of benefit. Peter Macdiarmid/Getty Images hide caption toggle caption Peter Macdiarmid/Getty Images Opinion 13.7: Cosmos And Culture Is Homeopathy A Sham? March 23, 2012 Homeopathic treatments are too dilute to be effective. Why, then, are they so popular? This is the first in a series of reflections on this question.