Short-term effects of Italian smoking regulation on rates of hospital admission for acute myocardial infarction

In their recent paper, Barone-Adesi et al 1 conclude that smoke-free policies may result in short-term reduction in admission for acute myocardial infarction (AMI). However, from the methods and data presented in this paper, we believe that the observed effect may not be real and that the authors' conclusion must be treated with caution. Our main concern is the manner in …