Every day in the clinic or hospital I meet extraordinary caregivers. They are the ones who have gone above and beyond the call of duty; sometimes for years at a time. When you ask them how they do it, they shrug and smile. I am not talking about any doctor, nurse or therapist. I am referring to those who care for and look after their elderly friends and family members. This can be a spouse, adult child, adult grandchild, neighbor or even a good friend.

There are many reasons that people volunteer to be caregivers. Spouses can often not imagine living apart from each other. Adult children and g...