He appears regularly on television and radio in the UK and abroad. He has 34 books in print in 24 languages. His work promotes a wide variety of alternative medical approaches such as orthomolecular medicine and homeopathy, many of which are considered pseudoscientific by mainstream science and medicine.Holford is also a major proponent of a low Glycemic Load diet as ideal for weight control, diabetes, heart disease and cancer prevention. Holford proposes that many chronic diseases are better treated with diet and supplements than with pharmaceutical drugs and that modern medicine has become too dependent on pharmaceutical drugs.Holford's claims about HIV and autism are not in line with modern medical thought, and have been criticised for putting people in danger and damaging public health.