USA Today featured an article on Dance Dance Revolution, a videogame that anyone can buy. Many people have used it to lose weight while having a bit of fun, a perfect ‘health hack.’ From the article:

Like many 11-year-old boys, K.D. Jones loves sports. But at 5 feet, 175 pounds, he found his weight and the asthma it caused an obstacle to enjoying many activities. His doctor wanted him to lose 50 pounds, and he’s hoping a new health study using video games to fight obesity will help him get down to 125 by the end of summer in time to play football.