In today’s modern world, if you’re middle-aged and feel a sudden stabbing pain in your shoulder and then it continues to ache, you get an MRI. If that shoulder study shows a big enough rotator cuff tear, you’re quickly spirited off to surgery. However, what would happen if you never had the surgery? Would it be a disaster or would it be OK? That’s what a new study set out to discover, and the results may surprise you.