Does holding it in cause brain damage

[g unit boy]

r uf or real, hotboxing is bad?????????????/but holding long aint???tite!!!i hardly ever hotbox

g unit boy Reviewed by g unit boy on 08-26-2005. Does holding it in cause brain damage Does holding it in for long as possible and then blowin thru ur nose bad for ur brain, i dont think so but my friend says it does Rating: 5