American Council on Science and Health9d
The 21-Day Myth: How Habits Really Form
At the start of every year, millions vow to get fit, save money, or finally learn French, armed with the dubious belief that ...
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A 21-Day Walking Plan for Fat Loss
According Dr. Maxwell Maltz, "…many other commonly observed phenomena tend to show that it requires a minimum of about 21 ...
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Forget 21 days. Most healthy new habits take at least two months to stick
He explained that the 21-days myth stems from the 1960 book “Psycho-Cybernetics” by plastic surgeon Maxwell Maltz, in which the author observed that his patients typically took around 21 days ...