I'm a vegan, and yes, I feel like since I've switched over I have been a lot more healthy.
I lost 15 kg just from changing my diet, and fortunately when you go vegan, you cut out most of the junk food -
Burgers, chocolate, pizza, doughnuts etc.
My diet can include fruits/veggies, pasta( with sauce and an alternative to cheese), humous, falafels, vegan bars (nakd- if you've heard of it), and lots of nuts/ grains.
I get my protein from eating lots of nuts and seed like cashews and almonds and quinoa seeds.
Also godji berries have loads of proteins in them!!!
Of course, I'm not saying vegan lifestyle is healthier OVERALL, but it has been good for me. I'm not even vegan because of it( more about the moral issues)
So I'm not telling people that being a vegan is healthier, just that it has made ME healthier. Because yes, there are unhealthy ways you can be a vegan.