Most people are taught in introductory economics courses that they should ignore “sunk costs” (costs that cannot be recovered) in their introductory economics courses. But
Recently, the CDC recommended that sexually active women who don’t use birth control don’t drink. I’m not talking about not drinking heavily or not getting buzzed.
Vaccines prevent diseases and that’s awesome because even relatively mild diseases like measles and chickenpox kill or disable a minor share of the people they