approximately one and a half a year :) hope this will help :)
Not too long, it took me about a week, maybe two tops. Good luck! You'll get through it! I had my expander in for 13 months!
2 weeks
Severe exposure - 18 hours or more. Moderate exposure, 4-6 hours. In either of these cases, do NOT wait until symptoms occur; go immediately to a hospital for an ethanol infusion.
I t doesn't because I am in tenth grade and have done all my science fair projects about it.