 Critics of Hof say he overstates the benefits of his method, giving false hope to people suffering from serious diseases, and some of his claims have been uncritically reported by the media.On his website he says that it has reduced symptoms of several diseases including rheumatoid arthritis, multiple sclerosis, and Parkinson's disease; He has also said it might cure some forms of cancer.Wouter van Marken Lichtenbelt, one of the scientists who studied Hof, stated that "[Hof's] scientific vocabulary is galimatias.