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The idea that it takes just 21 days to form a habit, stemming from 1960s surgeon Maxwell Maltz, is a myth. The notion spread through self-help books and became widely accepted, but research shows ...
It's a neat idea. Short, encouraging and full of promise. But there's just one problem: it's not true. The 21-day myth can be traced back to Maxwell Maltz, a plastic surgeon in the 1960s, who ...
This idea can be traced back to Dr. Maxwell Maltz’s book “Psycho-Cybernetics,” published in 1960. Maltz didn’t make this claim but rather referenced this number as an observable metric in ...