Your Diet Sucks

REPLAY: The Science of New Year's Resolutions (And Why 91% Fail)

9 snips
Jan 1, 2026
Discover the surprising history of New Year's resolutions, tracing back to Babylonian promises. Learn why 91% of resolutions fail by examining the neuroscience of habit formation and the myth of willpower. The average time to form habits is debunked, revealing it can take anywhere from 18 to 254 days. Examine the quirks of January, including the phenomenon of 'Quitters Day'. Plus, explore creative goal-setting, including Woody Guthrie's playful resolutions and why specificity is key to success.
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ANECDOTE

Zoë's Resolution Became A Running Habit

  • Zoë started running as a New Year's resolution in high school and remembers her first 45-minute run vividly.
  • That resolution turned into a long-term habit and eventually an ultrarunning career.
INSIGHT

Younger Adults Make More Resolutions

  • Only about 30% of Americans made a 2024 resolution and younger adults (18–29) made up ~49% of those who did.
  • Younger people attempt resolutions more despite high overall failure rates.
ADVICE

Use Social Accountability To Avoid Quitters Day

  • Use social supports like groups, pets, or race registrations to boost exercise adherence.
  • Leverage community and accountability to reduce dropout around January 19th.
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