The British Medical Journal, in a series of four articles traces, how food industry funding of research may influence biases in dietary recommendations. This informative series (Article 1, Article 2, Article 3, Article 4) concludes industry-funded research is five times more likely to observe no impact from sugar-sweetened beverages and weight gain or obesity than work done by researchers who are independent of industry support.
PositiveTip: The caveat "Buyer Beware" is appropriate in evaluating all dietary recommendations.