To see these decisions happen in real time, all you need to do is log on to social media. “Many people instantly feel better when switching [to a vegan diet], but I really felt the opposite,” travel and lifestyle influencer Kristin Addis (@bemytravelmuse) tells mindbodygreen. “I would get dizzy, my skin broke out more, and although I tried to get all of the nutrition I needed, it would get very difficult on trips to remote areas.” Sometimes, she notes, her only option would be to eat bread or vegan snack bars, further fueling the problem. For Addis, there was no question that reintroducing meat into her diet would alleviate her symptoms.