> I think it's right there in the post itself. If you have certain occupations, live in certain zip codes, or have medical problems, a test like this can prove invaluable.
Invaluable, as in, worthless?
Invaluable for what? What are you going to do if you test positive?
Invaluable, as in, worthless?
Invaluable for what? What are you going to do if you test positive?