She did geriatrics because there was a fellowship available for that sub specialty. Dr Lyon also works with the Special Operations Military and specializes in fitness and performance. A broad background in muscle centric health.

Doctors view the older adult population as divided into three life-stage subgroups: the young-old (approximately 65 to 74 years old), the middle-old (ages 75 to 84 years old), and the old-old (over age 85). Even the "young old" get questions on fall risk, cognitive ability, etc.