Looking at google trends:
If we can read anything into the popularity of Google searches (and I think we probably can) the terms 'Paleo Diet' effectively flatlined (besides a a few minor blips) before some point at the start of 2007 where it garnered a modest popularity. It gained steadily in 2009 before taking a massive leap at the end of the year.
There are no news articles to account for this so what was the catalyst in the popularity growth?
Me personally I came to Paleo as I was low carb for a year with great success, became more interested in nutrition and started reading some blogs on the subject. Started with Dr. Eades, progressed to Stephan and Peter at Hyperlipid. I think it was PaleoNu that made me finally switch to paleo, though it was a pretty natural progression when you realise the evils of gluten etc.
asked bysarah_ann (4183)
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on June 21, 2010
at 11:25 PM
The New York Times article with Melli from huntgatherlove and John from hunter-gatherer. The article hit January 8th, which matches the trending time-line.