The personal trainer who gained 40kg (88lbs) to understand obesity

Paul ‘PJ' James, a high-fashion model and personal trainer from Australia, gains an extra 40kg (88lbs) of fat, quits all forms of exercise and documents his journey from 80kg (176lbs) up to 120kg (264lbs) and back again, as he sets out to understand obesity and how difficult it really is to go from fit to fat and back!

He ploughed through the junk food - up to 30 slices of pizza in one binge sitting - and the money. "It's just very expensive to be unhealthy (…) "I used to spend about $80 on food a week. I could easily spend $300 now."

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source:  http://www.oddee.com/item_97967.aspx