All posts in tag: causal infeerence

Tomás Aragón San Francisco plastic-bag ban associated with 46% increase in foodborne illness deaths — Not!

In my role as Health Officer of San Francisco I received a flurry of concerned calls about a research study that claimed that the 2007 San Francisco ban on plastic bag resulted in an immediate, very large increase in foodborne illnesses and deaths. From their conclusions:

“We examine deaths and emergency … More >

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