Hi, may I answer your health queries right now ? Please type your query here...have started to eat vegan to loose weight since november 2010 - had 3 times since then eat meat and everytime i start to feel extremely bad - my joints are extremely sore, very lethargic and the last time the limpthnodes got very swollen and sore - i've ate meat my whole life and it feels bizarre to have this type of reaction - 1st thought it was psycological but after 3rd time same reaction - why??