I think it's CARBON DIOXIDE
I am not sure.
Answer:
<u>no because teenagers still think its ok to do drugs and the parents probably won't find out </u>
<em>-hope this helped</em>
Alright, so you probably pulled a muscle or vein. But it does take A WHILE to heal. This has happened to me last year and this year. You just have to wait about 3 days. I will message you to see if I've found any information that can help you out.