Avoiding parties. Making friends with the right people. Not using substance around friends.
Explanation:
Teenagers are easily influenced socially. Avoiding parties where there tends an illegal substance is a good tip. Not making friends with people who do substance as eventually they will influence to join. Not using substance around is a good tip as people tend to make worse decision as a group than alone.
Arrhythmia meaning the heart is beating too slow and or its beating too fast
Stress can effact youu digestive system by causing your esophagus to go into spasms. Increasing the acid in your stomach, which results in indigestion, making you feel nauseous.