Why sugar is worse than fat

Fareed speaks with CNN Chief Medical Correspondent Sanjay Gupta about recent research on the risks of high sugar consumption. Watch the video for the full interview.

For 20 years, people have been assuming that fat was the enemy because it produced cholesterol, which was blocking arteries. That's not quite right.

I could talk about this all day long, because I think it highlights some very important things in terms of how we sometimes misinterpret science, or at least exaggerate it.

It was in the late '70s – in fact, there was a Senate commission, Senator McGovern, who actually looked at this issue and found that people who had very high levels of cholesterol tended to die early of heart disease. And there was also other studies that showed if you ate a diet high in fat, it raised your cholesterol. But those were two different studies. And they got really, really linked, not only by the Senate, but also in the scientific community and then by everybody else.

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