4 ms·*that we know about. There's a lot of people worried about long term effects and possibly even brain damage.by behringer 7y ago*that we know about. There's a lot of people worried about long term effects and possibly even brain damage.cwkoss 7y agoVia what mechanism would vaping nicotine cause brain damage that isn't caused by cigarettes? The glycol?behringer 7y agoThat's what further research would provide.