b'Timothy Damron, MD Timothy Damron, MD, discusses knee and hip replacement options., discusses knee and hip replacement options. Kevin Antshel, PhD, Kevin Antshel, PhD, talks about college students\' misuse of stimulants. And father/son family practitioners -- talks about college students\' misuse of stimulants. And father/son family practitioners -- Robert Ostrander, MD Robert Ostrander, MD, and Geoffrey Ostrander, MD -- reflect on primary care in a rural area., and Geoffrey Ostrander, MD -- reflect on primary care in a rural area.'