There’s a scary warning when you read about biologics like Humira and Enbrel: these drugs may increase risk of cancer. Scarier, Humira has a warning that it may cause a rare, deadly type of cancer in young people. After spending many bored hours in doctor’s offices, I’d read the warnings many times on pamphlets and posters. Probably too many, because it made me question whether it was the right choice to start a biologic therapy when my doctor offered it as an option. Simply put, biologic medications are drugs that are made from living sources, instead of mixing chemicals. They include medicines like Humira and Enbrel for autoimmune diseases and even…