"He's just getting older." "She's not as spry as she used to be." You know not to let these comments slide in the exam room. "Osteoarthritis" is almost synonymous with "older pet," but you now have so many interventions to address it and help pets live pain-free. Here's some of our best on this debilitating disease. And, surprise, you'll find out it's not a disease of old age only. It's been hanging around awhile!