Bill Clinton, the former US president usually associated with Big Macs and doughnuts, has so radically altered his diet that he now considers himself a vegan.

Looking skinner than ever in a recent appearance, Clinton told CNN’s Sanjay Gupta that he had been lucky not have died from a heart attack, and conceded he had long been playing “Russian roulette” with his health. In a bid to clean up his act, the 65-year-old (his birthday is today) now consumes no meat, no dairy, no eggs and almost no oil.

Watch Clinton describe his new lifestyle below: