I took the "Will you live to 80" quiz, & I found it very incomplete:
--1-- It did NOT ask me my age -- I am 79.3/4 and think that I have a very good chance to live the next 3 months.
--2-- The "canned" recommendations at the end said that I should get a higher education. In 1964 I earned a B. S. (you know what that stands for), in 1967 an M. S. (more of the same), and in 1972 a Ph. D. (the same stuff, piled higher and deeper). The quiz needs to ask about "Higher Education."