Add Yahoo as a preferred source to see more of our stories on Google. Think coloring is for kindergarteners? Think again! Well, it totally is, but it's also for grown-ups in need of stress relief.

If you purchase an independently reviewed product or service through a link on our website, Rolling Stone may receive an affiliate commission. Grammy-Award winning EDM artist Marshmello once sang ...

When Amanda Rulton picked up a cheap coloring book and some felt-tip pens, she didn’t expect the activity to stick. It came when she was in the middle of a health crisis. Eighteen months ago, she had ...