Or perhaps the soda tax and reduced consumption both stem from the same body of scientific evidence and anti-soda narrative?  As a whole, consumers are shifting to healthier eating trends, soda&#x27;s one of the obvious things to cut.<p>I agree with the last paragraph, the studies to date haven&#x27;t shown much.  It&#x27;d be interesting to compare state-by-state changes over the past 10 years.