The Pulse

From Buzz to Burnout: How Alcohol Affects the Brain and Body

Jan 29, 2026
Charles Knowles, surgeon and recovering alcoholic, reflects on how drinking shaped his life and the medical harms of alcohol. Andrew Stelzer, reporter on the California sober trend, explores people using cannabis or psychedelics instead of booze. They discuss why alcohol can feel good then harmful, substitution strategies, social sobriety, and the rise of zero-proof social spaces.
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ANECDOTE

Crisis On Holiday Sparked Recovery

  • On a family vacation in Florida, Charles hit a crisis point after heavy drinking and contemplated suicide.
  • That moment, plus AA and therapy, prompted him to stop drinking and begin recovery.
INSIGHT

Why Hangovers Can Feel Like Withdrawal

  • Morning anxiety after heavy drinking reflects withdrawal-like hyper-excitability once alcohol leaves the bloodstream.
  • Individual differences in neuroplasticity likely explain why some people experience these withdrawal hangovers and others do not.
INSIGHT

Alcohol's Wide-Ranging Health Harms

  • Long-term heavy drinking commonly causes depression and anxiety by lowering serotonin levels and desensitizing receptors.
  • Alcohol also raises risks for high blood pressure, stroke, several cancers, obesity, and metabolic syndrome.
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