The article agrees that this is the case: the dangers of sugar used to be orthodoxy, but around the '70s is when sugar was de-emphasized in favor of fat to such

The article agrees that this is the case: the dangers of sugar used to be orthodoxy, but around the '70s is when sugar was de-emphasized in favor of fat to such a degree that low-carb proponents were labelled cranks. > When, in 1957, John Yudkin first floated his hypothesis that sugar was a hazard to public health, it was taken seriously, as was its proponent. By the time Yudkin retired, 14 years later, both theory and author had been marginalised and derided.