I've talked to some drummers who seem to have a very hard time staying in shape on the road, including some drummers touring with high-profile acts that don't have to live on fast food every night.
“Although this crisis in some ways started in the United States, it is a global crisis. We bear a substantial share of the responsibility for what has happened, but factors that made the crisis so acute and so difficult to contain lie in a broader set of global forces that built up in the years befor”