It's very common to hear health workers encouraging people to exercise to improve their cardiovascular and cardiopulmonary fitness among other benefits.
However, many people usually just decide to start exercise without it been prescribed to them according to their health status.
And because exercise is a drug, it must be prescribed, and prescription is what differentiate 'physical activity' and 'exercise'. Hence, exercise must prescribed to prevent sudden collapse or death during exercise.
But even if your exercise is not prescribed, answer this questionnaire first before you embark on any type of exercise.