"Forget yoga. Coloring is set to eclipse downward-facing dog as the de-stressing activity of choice for 21st-century adults. Adult coloring books aren’t as silly or puerile as they might sound; they feature complex patterns drawn by professional artists. Still, for the time and money spent, we think an actual art class might be a better investment—and not just for you. Money spent on classes can go to support local arts organizations..."