Do vegans live as long as vegetarians?

In the studies I’ve read there is little difference in life expectancy between near-vegetarians, vegetarians, and vegans but vegans did fare slightly worse than pescitarians, occasional meat eaters and lacto-ovo vegetarians.

Vegetarians, vegans and occasional meat eaters all had longer life expectancy than than people eating meat heavy diets. If you have a link to the study you read I’d like to look it over.

Iodine level in vegetables is tied to the iodine levels in soil. My guess is that organic vegetables would be richer in this than those grown with chemical fertilizer lacking iodine. In any case most people get their iodine from iodized salt.

I’ve read so many conflicting things about B12 I don’t know what to think. I often have a cup of miso soup with breakfast; some things I read say this is a good source of B12 but others say it is in a form that is unusable by our bodies. Probably the only safe thing to do is to get a blood test if you are a long term strict vegan. I’m not 100% vegan so I don’t worry about it.