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Dr. Michael Greger

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β€œThe FDA didn't ban it until 25 years after the first solid evidence that it increased the risk of heart disease. And meanwhile, every single one of those years, trans fats were killing an estimated 50,000 Americans a year.”

β€” Michael Greger
APR 2, 2026Michael Greger, M.D. FACLM

The Hazards of Ultra-Processed Foods

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    The level of processing is more critical than nutrient counts - health outcomes are increasingly linked to how a food is chemically or physically transformed in industrial settings rather than just its fat, sugar, or vitamin levels.

    β€œWhat if, when it comes to nutrition and health, it's not so much the food or the nutrients as much as the level of processing?”

    β€” Michael Greger
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    Regulatory oversight fails to protect consumers from harmful additives - many substances like trans fats and aspartame were linked to severe health risks for decades before the FDA took action, often due to industry influence.

    β€œThe FDA didn't ban it until 25 years after the first solid evidence that it increased the risk of heart disease. And meanwhile, every single one of those years, trans fats were killing an estimated 50,000 Americans a year.”

    β€” Michael Greger
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    Industrial processing creates unlisted molecular toxins - high-heat treatments used in ultra-processed foods generate Advanced Glycation End products (AGEs), which are linked to chronic diseases like Alzheimer’s but never appear on ingredient labels.

    β€œUltra-processed plant foods can have nearly 100 times more of these toxins than minimally processed plant foods.”

    β€” Michael Greger
MAR 19, 2026Michael Greger, M.D. FACLM

What’s Taurine and Why Do We Care? (Part 1)

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    Taurine in energy drinks is mostly marketing - While frequently added to popular beverages, there is limited evidence that supplemental taurine significantly boosts cognitive or athletic performance beyond the effects of caffeine.

    β€œThe fact that taurine levels decline with age raises the question: is this just a consequence of aging, or is it a cause of aging?”

    β€” Dr. Michael Greger
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    Animal data suggests potential longevity benefits - Recent research indicates that taurine supplementation can increase the lifespan and healthspan of mice and monkeys, sparking interest in its anti-aging properties.

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    Human application remains unproven - Although animal studies are promising, the body naturally produces taurine, and high-dose supplementation for human longevity currently lacks robust clinical validation.