Soy products are detrimental to health because commercial soy is unfermented. To get the real deal you'd probably have to go to Asia. Do some research on it.
Probably also best to think twice about being vegan. True, meat is of inferior quality to what it was millions of years ago thanks to industrial agriculture, but most other food is also of inferior quality. Had we evolved to only eat plants we'd have larger heads and pointy jaws. Humans are omnivores. Also it's literally impossible to get 2 of the 3 omega 3 fatty acids (EPA and DHA) without consuming animal products. Best to get those from wild-caught fish or in supplementary form with fish oil.
But if you absolutely must be vegan, at least be sure to take vitamin B12 supplements, or your brain volume will decrease. Literally.
Personally what I do to try and stay in good health is eat an extremely limited amount of grains and NO refined sugar whatsoever (fruits and stuff are ok because that's natural sugar). I don't feel like writing an essay in this comment so I'm not going to explain the reasoning behind the grain thing.
danicos
U look a lot like a girl
Sensationalism
Well, you're 13 so I probably look more manly than you :P