Health (USNews): Yoni Freedhoff.
I’ve heard it said hundreds of times. From patients, from colleagues, and sometimes from the media: “It takes three weeks to form a habit.” But in my experience, both personally and professionally, the notion that true habits—behaviors that persist in the face of major life upheavals and adversities—can be forged in 21 days flies in the face of reality. So I decided to research the claim.
Categories: Health & Fitness, Research, Science