Liam Hemsworth had to drastically change his diet after a health scare. The 30-year-old actor covers the May issue of and reveals why he made the decision to no longer be vegan after nearly four years on the diet."[In] February of last year I was feeling lethargic.
Then I got a kidney stone. It was one of the most painful weeks of my life," he recalls. «I was doing press for. But I had to go to the hospital and get surgery.»While Hemsworth notes that «it's all good now,» the experience had a lasting impact on his day-to-day life.«Once you get one kidney stone, you have a 50 percent chance of getting another one if you continue eating the way you were eating,» he explains. «Well, my particular kidney stone was a calcium-oxalate kidney stone.