This test is used to see how much a patient is affected by external environmental factors. I would have him exercise and monitor the amount of blood flowing through his heart within a certain period of time. This would give me an estimate of how much he is affected by daily stressors such as his family or work. His results would most likely reflect that he is easily stressed by external factors, allowing me to give him some tips on how to relieve stress. I would advise that if your job becomes increasingly stressful, retirement or lightening your workload in the near future could be extremely beneficial to your mental and physical health. I would also help him find outlets to relieve stress and ease his transition to becoming a non-smoker. Some suggestions include journaling, photography, or even exercise. Decreasing the amount of John Martin's stress would also help lower his blood pressure, decreasing the amount of heart attack risk factors. I would know this plan was successful when John Martin reported being stress free without the help of