Hello, Reader. I have a challenge for you. Don’t worry, it’s nothing scary. You could even say it’s all gain and no pain. But first, some context: There is a popular myth that it takes 21 days to ...

Add Yahoo as a preferred source to see more of our stories on Google. Setting a resolution to exercise more? Make it a habit to make it stick. (Getty) (Angel Santana via Getty Images) Resolutions are ...

The human brain, our body’s most intricate organ, governs everything from vital functions to creative problem-solving. Recent studies have highlighted how targeted daily activities can significantly ...

At the start of every year, millions vow to get fit, save money, or finally learn French, armed with the dubious belief that 21 days of sheer willpower will transform them into gym rats, financial ...

Strict no-buy challenges can backfire. What’s more likely to work: a series of small changes. Here are a few ideas.