I'm very anti-smoking so I don't know if I am being rational about this. My DM was watching my DD today and her friend was vaping whist my 4month old DD was in the room. I could smell it when I walked in so it definitely gives off some form of chemical. I want to ask my DM to speak with her friend and ask her to do it outside if the baby is there which is most times she visits as we live very close. It made me think whether my mum does it when she minds DD which is quite often. I know my mum will say they're harmless and won't know how to approach this with her friend. Before I say anything I'd prefer to know whether IABU. Would you accept this around your baby? I know loads will say they do it but is it actually safe?! They used to think cigarettes were safe etc.