... interventions.While we have known for years that exercise improves mental health, there is an absence of education and training for mental health professionals on improving client fitness through ... ever and have abnormally high rates of overweight and obesity. It is apparent that the world, in general, and the U.S., in particular, is getting less and less healthy due to anepidemic of obesity ... quality of these trainers is very uneven. Some trainers havesolid credentials, a strong knowledge of different types of exercises,proper techniques, and nutrition, and the ability to teach and...