Yes! It’s been shown that increased life expectancy occurs in parts of the world where diet is predominately vegetarian or vegan based - compared to countries where meat-based protein is the favoured option.
Soya-bean curd or tofu as it's also known has been proven to lower cholesterol. It's also been shown that a healthy vegetarian or vegan (one who's getting all their nutritional needs met) tend to live longer than meat eaters. Obviously this is within the context of adopting a healthy lifestyle.