For the Elderly
[Elderly] chiropractic users were less likely to have been hospitalized, less likely to have used a nursing home, more likely to report a better health status, more likely to exercise vigorously, and more likely to be mobile in the community. In addition, they were less likely to use prescription drugs.
-Topics in Clinical Chiropractic, Coulter
Get knowledge of the spine, for this is the requisite for many diseases.