3 ms·Which seniors? American? European? Wealthy? Poor? Sick? Healthy?by gaindustries 1y agoWhich seniors? American? European? Wealthy? Poor? Sick? Healthy?skylurk 1y agoSenior Engineers?slater 1y agoSource: American Society of Anesthesiologists It's a mystery.Bratmon 1y agoFun fact: If you click the headline, it usually links to a full article which answers those kinds of questions.