Andrew Purvis investigates the £116 million omega-3 industry - The Observer 19th August 2007

In Boots, Tesco, Superdrug and branches of Lloyds pharmacy you see them, marketed like sweets with brand names that leave no ambiguity about their purpose: Smartfish, eye q chews, Healthspan Brain Boosters, Boots Smart Omega 3 Fish Oil, Valupak Smart Omega 3 in Honey. Every year, we in Britain spend £116 million on fish-oil supplements (twice the amount we spend on over-the-counter hay-fever treatments) in the belief that the omega-3 fats they contain boost our children's intelligence - yet, to date, not a single study has shown that omega 3 improves brain function in the general population.

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Food for thought. What Britain's top brains eat - The Observer 19th August 2007