International journal of epidemiology
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It is unclear whether the increase in autism over the past two decades is a real increase or due to changes in diagnosis and ascertainment of autism spectrum disorders (ASDs), which include autism, Asperger syndrome and pervasive developmental disorder not otherwise specified (PDD-NOS). The aim of this study was to examine the trends in ASD over time in Western Australia (WA) and the possible effects and contribution of changes in diagnostic criteria, age at diagnosis, eligibility for service provision based on ASD diagnoses and changes in diagnostic practices. ⋯ The rise in incidence of all types of ASDs by year of diagnosis appears to be related to changes in diagnostic and service provision practices in WA. In children aged
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To examine the effects, by income group, of targeted food taxes and subsidies on nutrition, health and expenditure in the UK. ⋯ A targeted food tax combined with the appropriate subsidy on fruits and vegetables could reduce deaths from CVD and cancer.
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Biography Historical Article Classical Article
Smoking and lung cancer: recent evidence and a discussion of some questions. 1959.
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Comment Historical Article
Commentary: Cornfield, epidemiology and causality.