Google trends annual Zeitgeist list has confirmed that Paleo diet was 2013's most searched diet.
The diet's basis is that people should eat what was available to the caveman in the earlier days, and avoid all processed foods, grains and dairy, according to Examiner.com.
Google Trends has predicted that Gluten-free and Paleo is going to be 2014's most popular diet plans.
About three million people follow Paleo diet, which is roughly one per cent of the population.