Medical cannabis is now used by millions of people on a regular basis. And that is just in this country. I don't think anybody really knows how many people use it worldwide. Regardless, I am guessing there are plenty of people who do not use it but wonder if they should. After all, how can millions of people be wrong? If you are wrestling with the idea of using medical cannabis, don't just jump into the pool because your friends are already swimming. Take a thoughtful and cautious approach –...