Cover of Blind Spots: When Medicine Gets It Wrong, and What It Means for Our Health

Book Highlights

Blind Spots: When Medicine Gets It Wrong, and What It Means for Our Health

by Marty Makary

What it's about

Medical dogma often prioritizes consensus over evolving evidence, leading to harmful health recommendations. The author exposes how groupthink and outdated research shape standard clinical practices, urging patients to question conventional wisdom.

Key ideas

  • The dogma trap: Many medical practices persist because of institutional authority rather than current, objective data.
  • Flawed health narratives: Common recommendations regarding topics like hormone replacement therapy, marijuana, and fluoride frequently ignore contradictory evidence.
  • The danger of groupthink: Professional medical consensus often suppresses dissenting voices, which prevents the correction of dangerous errors.
  • Evidence-based advocacy: Patients must demand transparency and look at the underlying data to make informed decisions about their own bodies.

You'll love this book if...

  • You want to advocate for your own health by questioning standard doctor recommendations.
  • You enjoy investigative reporting that challenges institutional narratives and popular trends.
  • You are frustrated by how quickly medical advice changes and want to understand why.

Best for

Patients and curious readers who want to learn how to critically evaluate medical claims before trusting them blindly.

Books with the same vibe

  • Outlive: The Art and Science of Longevity by Peter Attia
  • The Emperor of All Maladies by Siddhartha Mukherjee
  • Bad Pharma by Ben Goldacre

26 popular highlights from this book

Key Insights & Memorable Quotes

The most popular highlights from Blind Spots: When Medicine Gets It Wrong, and What It Means for Our Health, saved by readers on Screvi.

“A cruel irony came to light in follow-up studies. They found that participants who took estrogen alone had lowered their risk of breast cancer by 23% and lowered their risk of breast cancer death by 40%. That benefit diminished over time after women discontinued HRT.”
“It’s this inflammation that allows for deposition of certain types of lipoproteins, causing plaques and heart”
“Ultimately, the data catch up and trust in the profession is eroded. Now,”
“the most recent broadening of mammogram recommendations are strikingly flimsy.”
“If we are going to be objective, we need to stop saying that marijuana is harmless and not a gateway drug. The truth is that the available evidence does not support those opinions.”
“Between the risk of psychosis, increased rates of anxiety and depression, and cardiovascular disease, “harmless” is not the word I would use to describe the drug. Sure, it may be less lethal than cocaine, but it’s not exactly an organic kale salad.”
“McGill–Oxford meta-analysis found a 37% increased risk of depression and more than a 300% increase risk in suicidal ideation among adolescents who used cannabis.8”
“If the data go against decades-long dogma supporting fluoridated water, fluoride may be doing more harm than good.”
“As Noam Chomsky described it, “If you don’t believe in freedom of speech for people you disagree with, you don’t believe in freedom of speech at all.”
“Freedom of speech is not designed for easy speech—speech that is welcomed by the majority because it affirms their beliefs. It’s designed to protect speech that is uncomfortable—speech that challenges groupthink.”
“because the data were so undeniable.”
“The data were clear.”
“The eugenics movement in the United States led to some abhorrent practices in the late 19th and”
“Dr. Sarrel is among a group of experts from around the country who now run a foundation to educate women and physicians about the best data on the topic.46 Visana is another group helping women navigate the healthcare system to find good care.”
“their view.” In his book Pure, White, and Deadly,”
“They found that taking HRT for even just two to three years reduced the risk of cognitive impairment by 64%.21 Wow.”
“Here are the data. Compared”
“Those are compelling data! It’s something”
“While the data are considered less definitive than for the other benefits of HRT, the”
“book Outlive: The Art and Science of Longevity”
“But the data are abundantly clear.”
“The data are clear.”
“the data are overwhelming. In analyzing 30 trials”
“I realize that much of what the public is told about health is medical dogma—an idea or practice given incontrovertible authority because someone decreed it to be true based on a gut feeling.”
“Groupthink—the human tendency to follow a crowd and not think independently—often creates an illusion of consensus.”
“tests to evaluate your lipoprotein profile—better than HDL and LDL.”

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