The therapy for anxiety disorder is called as cognitive behavioral therapy and is used to treat various phobias, panic attacks, social anxiety etc. Cognitive therapy is the assessment of negative thoughts contributing to anxiety. Behavioral therapy is the observation of the reaction of the person towards these thoughts. Medications for the same includes serotonin reuptake inhibitors.
Okay well if none of them can get diabetes through genetics it would be the person with the worst eating and the one with a lack of physical activity witch would be Steve.