"Both men and women are equally likely to have a problematic relationship
with exercise, Brewerton says. The primary difference is that women are
more likely to have an eating disorder in tandem with their exercise
issue. What may have started off as a love of sport or physical activity
(what researchers call harmonious passion, when someone’s activity
exists in harmony with other areas of their life) ultimately crosses the
line into an obsessive passion, characterized by inflexibility in
behavior and high levels of commitment, according to a study in the Journal of Behavioral Addiction."
When Exercise Becomes Too Much of a Good Thing