Be aware of the following changes that can happen to you. If any of these occur during your walk, stop immediately, pause, and refrain from the activity. Consult your doctor the next day. These changes include: excessive perspiration, nausea, dizziness, headache, chest pains, jaw pain, arm pain, difficulty in breathing, and extreme shortness of breath.
There are normal and harmless changes that you should expect while you are starting: Increasein heart rate, increase in breathing rate, mild to moderate sweating, and muscleand joint soreness that may last the first few days.