Correlation Does Not Imply Causation

I just read that people who live at the beach are happier than the rest of us.

Hmmm.  Could the fact that the guy’s house is worth a fortune, enabling him to travel the world, play a role?  That beach folks tend to be active and healthy?

It’s anyone’s guess.

Many people believe that certain chemicals like CBDs prevent cancer.  In truth, we’ll never know, because no one’s going to shell out millions of dollars for a randomized, controlled, prospective, double-blind clinical trial, to prove the efficacy of something that is practically free.