The Diary Of A CEO with Steven Bartlett The Brain Professor: "Popular Treat Now Considered Deadlier Than Smoking!", "Alcohol Is Shrinking Your Brain" - David Raichlen
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Feb 8, 2024 
David Raichlen, a Professor of Human and Evolutionary Biology at USC, uncovers the stark realities of modern inactivity and its impact on brain health. He contrasts today’s exercise habits with those of hunter-gatherers, emphasizing that our sedentary lifestyles are paving the way for diseases like dementia. Raichlen highlights how even small increases in daily activity can yield big health benefits. He also discusses the importance of diverse exercises and the dangers of alcohol on cognitive function, reminding us that movement is key to preserving our mental vitality.
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Alcohol, Smoking, and Brain Health
- Excessive alcohol and smoking shrink the brain and increase the risk of cognitive decline and dementia.
- Over one drink a day is associated with negative health outcomes.
Sleep and Brain Health
- Both insufficient and excessive sleep increase dementia risk.
- Aim for 7-9 hours of quality sleep for optimal brain health.
Pollution and Brain Health
- Air pollution negatively impacts brain aging, increasing dementia risk.
- Exercising in polluted areas diminishes the cognitive benefits of physical activity.