1. which of the following is not a physical symptom of stress? a.) unable to study b.) rapid heartbeat c.) nervousness d.) stomach aches 2. which of the following is not a major stressor for most teens? a.) friends b.) health

Stress is your body's way of reacting to any kind of command or warning. When you sense threat—whether it's authentic or imagined—the body's defences kick into high gear in a fast, automatic process known as the “fight-or-flight” response or the "stress response."

At the teenage level the most neglected thing is health. Out body at the teenage level can tackle with every kind of stress/disease but the consequences of these are widely seen at older stages when the system gets weak and is unable to take any further stress related to anything.  

exercising at a moderate intensity, and slowly increasing the duration.