Add Yahoo as a preferred source to see more of our stories on Google. A new study finds that familiar video games like Super Mario Bros. and Yoshi can spark childlike wonder, increase happiness, and ...

New research breaks down the potential impact of playing a free online brain game. Here's what experts say about it.

Compulsive traits are tendencies to repeat patterned behaviors. They are often seen in psychiatric conditions such as obsessive-compulsive disorder (OCD), addiction and eating disorders. However, ...