A new study published in the journal Eating and Weight Disorders indicates that exercise addiction is over 3.5 times more likely to occur in people who have an eating disorder versus those who don’t. Through a meta-analysis of nine studies across four countries, this new report analyzed results from over 2,000 participants.

WW (the company formerly known as Weight Watchers) recently released a free weight loss app called Kurbo that targets children and young adults, ages 8-17. There are a number of unanswered questions about this new app and the risks it might pose to young people.