5/9. There seems to be no end to the claims made about the benefits of omega-3 fatty acids, from treating depression, to preventing murder, to boosting the IQ of children. In an attempt to unravel the legitimacy of this last assertion, the results of an experiment that saw nearly 300 children given omega-3 supplements or a placebo are revealed. Plus the origins of our obsession with fish oil is traced to Oxford University and Professor Hugh Sinclair's "Eskimo" diet, which he claimed could protect us against heart disease.

[web address removed]