Blood type B might imply longevity.
Shimizu K, Hirose N, Ebihara Y, Arai Y, Hamamatsu M, Nakazawa S, Masui Y, Inagaki H, Gondo Y, Fujimori J, Kanno Y, Konishi K, Kitagawa K.
Shimizu K, et al.
Exp Gerontol. 2004 Oct;39(10):1563-5. doi: 10.1016/j.exger.2004.08.004.
Exp Gerontol. 2004.
PMID: 15501027