It is a lot cooler to follow your own lead, rather than your friends’?
Blowing a joint is damaging to your lungs, even more so than ‘regular’ smoking?
Using laughing gas can be very dangerous? The consequences can range from a mere headache to fainting or even permanent brain damage due to oxygen shortage.
It is a good thing when your parents are strict about your alcohol use? By laying down rules, parents can postpone youngsters from starting to drink alcohol.
Your brains are still developing up to your 25th year. Using drugs can have a negative influence on that.