Knowledge about human behavioral teratology/toxicology must necessarily be limited by the methods that can ethically be used. Research in the field is an enterprise calling for tolerance for uncertainty if not chaos. Among the main points of this paper are: (a) Kaufman's criticisms of research on low blood-lead level (BLL) and children's IQ are generally valid and apply to virtually all human n...

185 'We know accurately only when we know little, with knowledge doubt increases.' Objective In this thesis we aimed to gain novel insights into the radiological construct of MBs in dementia in relation to: I clinical relevance, II underlying vasculopathies and associated pathologies and III novel imaging techniques. In this chapter, the main observations are summarized and reviewed in the cont...