In college, I signed up for a medical test where you got $20 for filling out a massive questionnaire about health, habits, family, just about everything you'd n

In college, I signed up for a medical test where you got $20 for filling out a massive questionnaire about health, habits, family, just about everything you'd need to build a massive medical background. We got another $20 when we showed up to spit in a vial for DNA sequencing. I don't think we ever provided names or addresses but I'm sure you could build a pretty complete profile.