21 Days to Change a Habit by Sherry Pagoto, PhD

21 Days to Change a Habit? Why it is not that simple.

Does it really only take 21 days to create a habit? This hopeful concept has sold a lot of books. But if it were true, we’d all be slim, avid exercisers, nonsmokers, and achieving huge work successes by next month. Instead, we muddle through on a much rockier road to behavior change…. Click here to read more of my latest post on US News and World Report.