We all know that healthy eating and regular exercise are important components of longevity, but many of us fall into a routine that can start to feel tiresome. Attending the same spin class every Monday, the same yoga practice every Wednesday, and running the same 3 mile loop a couple times per week is certainly good for you — but can leave you feeling stuck in a fitness rut. To help shake those feelings of exercise stagnation and give people a mental break from the day to da