Snapshot · The Diary Of A CEO with Steven Bartlett
A monkey study found a 58% decline in new brain cell development and a 63% reduction in cell survival rates from alcohol use, effectively causing premature brain aging.
Where this was said
At 19:58 · chapter starts 16:36
Dr. Amen's first clinic was located near Napa Valley, which gave him a front-row seat to the brain damage wrought by drinking culture. Looking at brain scans, he noticed something the wine industry didn't want to admit: alcohol is not a health food. A Spanish study comparing mild, moderate, and heavy drinkers to teetotallers found that even the lightest drinkers had disruptions in the brain's white matter — the myelin-sheathed highways connecting brain regions. [1] — Steven Bartlett "58% drop in new brain cells from alcohol: A monkey study found a 58% decline in new brain cell development and a 63% reduction in cell surv…" 19:58 For chronic drinkers, the damage is catastrophic: SPECT scans reveal what Amen calls 'scalloping,' a wavy, shrivelled appearance caused by a global decrease in blood flow and metabolic activity. The hippocampus, which normally produces around 700 new stem cells a day to support memory, mood, and spatial processing, is particularly vulnerable — alcohol prevents those new cells from taking root. A 2009 monkey study cited by Bartlett quantified the damage: a 58% decline in new cell development and a 63% drop in cell survival rates. The chapter closes with Amen's blunt cost-benefit analysis: the short-term relaxation alcohol provides is not worth the long-term risk of premature brain aging and Alzheimer's disease.
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