More Americans have peanut allergies today than at any point in history. Why? In 2000, the American Academy of Pediatrics issued a strict recommendation that parents avoid giving their children peanut products until they're three years old. Getting the science perfectly backward, triggering intolerance with lack of early exposure, the US now leads the world in peanut allergies-and this misinformation is still rearing its head today.

How could the experts have gotten it so wrong? Could it be that many modern-day health crises have been caused by the hubris of the medical establishment? Experts said for decades that opioids were not addictive, igniting the opioid crisis. They demonized natural fat in foods, driving Americans to processed carbohydrates as obesity rates soared.

These failures of medical groupthink have been seen throughout history. Philosophers of the 16th century who claimed that blood circulated throughout the body (instead of resting in a layer below the epidermis) faced capital punishment. James Lind, who discovered that Vitamin C prevented scurvy, was ignored for 40 years. Ignaz Semmelweis was rejected by the medical community for suggesting that doctors should perhaps wash their hands before operating on patients.

Today’s guest is Marty Makary, author of “Blind Spots: When Medicine Gets It Wrong, and What it Means for Our Health.” We see how when modern medicine issues recommendations based on good scientific studies, it shines. Conversely, when medicine is interpreted through the harsh lens of opinion and edict, it can mold beliefs that harm patients and stunt research for decades.

More Americans have peanut allergies today than at any point in history. Why? In 2000, the American Academy of Pediatrics issued a strict recommendation that parents avoid giving their children peanut products until they're three years old. Getting the science perfectly backward, triggering intolerance with lack of early exposure, the US now leads the world in peanut allergies-and this misinformation is still rearing its head today. How could the experts have gotten it so wrong? Could it be that many modern-day health crises have been caused by the hubris of the medical establishment? Experts said for decades that opioids were not addictive, igniting the opioid crisis. They demonized natural fat in foods, driving Americans to processed carbohydrates as obesity rates soared. These failures of medical groupthink have been seen throughout history. Philosophers of the 16th century who claimed that blood circulated throughout the body (instead of resting in a layer below the epidermis) faced capital punishment. James Lind, who discovered that Vitamin C prevented scurvy, was ignored for 40 years. Ignaz Semmelweis was rejected by the medical community for suggesting that doctors should perhaps wash their hands before operating on patients. Today’s guest is Marty Makary, author of “Blind Spots: When Medicine Gets It Wrong, and What it Means for Our Health.” We see how when modern medicine issues recommendations based on good scientific studies, it shines. Conversely, when medicine is interpreted through the harsh lens of opinion and edict, it can mold beliefs that harm patients and stunt research for decades.

For history lovers who listen to podcasts, History Unplugged is the most comprehensive show of its kind. It's the only show that dedicates episodes to both interviewing experts and answering questions from its audience. First, it features a call-in show where you can ask our resident historian (Scott Rank, PhD) absolutely anything (What was it like to be a Turkish sultan with four wives and twelve concubines? If you were sent back in time, how would you kill Hitler?). Second, it features long-form interviews with best-selling authors who have written about everything. Topics include gruff World War II generals who flew with airmen on bombing raids, a war horse who gained the rank of sergeant, and presidents who gave their best speeches while drunk.

A show about American history, world history, World Wars 1 & 2, the Civil War, and much more.

History Unplugged Podcast

For history lovers who listen to podcasts, History Unplugged is the most comprehensive show of its kind. It's the only show that dedicates episodes to both interviewing experts and answering questions from its audience. First, it features a call-in show where you can ask our resident historian (Scott Rank, PhD) absolutely anything (What was it like to be a Turkish sultan with four wives and twelve concubines? If you were sent back in time, how would you kill Hitler?). Second, it features long-form interviews with best-selling authors who have written about everything. Topics include gruff World War II generals who flew with airmen on bombing raids, a war horse who gained the rank of sergeant, and presidents who gave their best speeches while drunk.

History Unplugged

More Americans have peanut allergies today than at any point in history. Why? In 2000, the American Academy of Pediatrics issued a strict recommendation that parents avoid giving their children peanut products until they're three years old. Getting...

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