Feel Better, Live More with Dr Rangan Chatterjee

The Bitter Truth About Sugar with Dr Robert Lustig (Re-release) #616

153 snips
Jan 25, 2026
Dr Robert Lustig, pediatric endocrinologist and public health advocate known for exposing sugar and ultra-processed food harms. He explains why sugar acts like alcohol on the liver. He challenges whether ultra-processed items qualify as food. He outlines the ‘hateful eight’ root causes of chronic disease and urges one clear mantra: protect the liver, feed the gut.
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INSIGHT

Sugar Impairs Cellular Energy

  • Sugar poisons mitochondria by inhibiting key enzymes, lowering ATP production.
  • Chronic mitochondrial dysfunction from excess sugar reduces cellular energy and promotes disease.
INSIGHT

Ultra-Processed Foods Fail As Food

  • Ultra-processed foods supply most dietary sugar and do not support metabolic burning or growth.
  • Robert Lustig argues many ultra-processed items therefore fail the basic definition of 'food.'
ANECDOTE

From Once-A-Week Coke To Daily Excess

  • As a child Robert Lustig had a weekly 6.5 oz Coca-Cola treat with a comic book.
  • Today children consume a median ~35 oz daily, vastly increasing sugar exposure.
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