HackerTube / Video
Sugar: THE BITTER TRUTH
University of California Television (UCTV)

Robert Lustig of UCSF lectures on the biochemistry of sugar, arguing that fructose and lack of fiber drive the obesity epidemic via insulin. It is the widely viewed 90-minute talk that popularized the anti-sugar case.
The most-linked YouTube video on HN, recommended as an in-depth explanation of fructose metabolism.
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