damage brains. Quite effective to scare off kids have common sense. (E.g., http://www.dailymail.co.uk/health/article-1177258/Are-wrecking-brain-Chilling-pictures-reveal-shocking-effects-alcohol-cigarettes-caffeine-mind.html. You can Google for more.)
Also, if your son promise not doing it again, trust him this time. Seeking professional help if he cannot keep his promise.
Also, if your son promise not doing it again, trust him this time. Seeking professional help if he cannot keep his promise.