Liam Hemsworth has revealed he gave up veganism after a painful medical issue forced him to take a closer look at his diet.The Last Song star talks health and fitness in the May issue of Men's Health and discusses what made him rethink his diet after years of cutting out animal products.'I was vegan for almost four years, and then 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.' the 30-year-old told the magazine. Fitness goals: Liam Hemsworth talks about rethinking his vegan diet in the new issue of Men's HealthLiam said he had to have surgery to remove the kidney stone and found out that once you've had one, there's 50% chance of getting another one 'if you continue.