This article http://io9.com/graphene-miracle-material-could-be-toxic-to-humans-786847545 http://io9.com/graphene-miracle-material-could-be-toxic-to-h... Refers

This article http://io9.com/graphene-miracle-material-could-be-toxic-to-humans-786847545 http://io9.com/graphene-miracle-material-could-be-toxic-to-h... Refers here: http://www.pnas.org/content/early/2013/07/09/1222276110 http://www.pnas.org/content/early/2013/07/09/1222276110 Which isn't conclusive of anything, but it does point at need for continued study of health effects of graphene. The sharpness of graphene vs cell walls evokes a similarity to asbestos fibers [my laymans impression, not the papers]. I guessing that health research in the topic is going to significantly lag the creation rate of different forms of graphene.