Last Friday, RTE’s Late Late Show invited Patrick Holford, a “pioneer in the area of health and nutrition” to talk to people about how to beat depression. It’s an interesting choice of expert because Patrick Holford has no academically recognised qualifications in the treatment of depression and has spent much of his career building up his health food and vitamin pill business. He has been the source of much controversy. Holford has claimed that AZT (a drugs cocktail used to combat AIDS) is less effective than Vitamin C and has been pulled up by the advertising standards authority in the UK for making unsubstantiated claims. In a nutshell, he isn’t the type of “expert” you want to be to rolling out when discussing something as serious and damaging as depression.

Using RTE Player I went through some of the claims Holford makes during the interview, and as it happens, many of the claims check out. There are studies around that have shown a beneficial link between fish oils and depression. There are studies that show a positive correlation between Vitamin D and seasonal depression. There are studies that link mood to obesity. Holford conveniently ties these studies into a single thesis: that what we eat is the most significant link in causing and treating depression, when many decades of clinical research would present a very different view. In other words, it’s just a confident sales pitch: read my book, eat the foods I suggest and you will feel better. Maybe it will and maybe it won’t; such is the power of the placebo effect; but in reality it falls far short of a comprehensive solution to the problems of depression.

Depression really is a grind. It differs from bad mood because it is not easy to get rid of and the depths of despair reached people inflicted by it. It can last for days, weeks, months, even years. No magic bullet has yet been found and it appears to differ greatly from person to person. There are lots of probable reasons and many treatments. It is one of the most widespread illnesses in society and is tipped to be the second leading cause of disability by 2020. Many of the most effective weapons against it (antidepressants, psychotherapy, electroconvulsive therapy) remain unpopular and stigmatised, often by the very same groups that promote healthy eating and mineral supplements. In the battle against depression what is most important are treatments that work, not ones we would like to work.

We need a serious discussion about depression in this country, not just a sales pitch by a vitamin pill vendor.

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