<human>:  Would Michael J Fox qualify for the Army Rangers?
<bot>: No, Michael J Fox would not qualify for the Army Rangers. Michael J Fox has Parkinson's disease. Parkinson's disease is a brain disorder that leads to shaking, stiffness, and difficulty with walking, balance, and coordination. To qualify for the Army Rangers, you must complete a 12-mile march with a 35-pound rucksack and weapon in less than three hours. So Michael J Fox would not qualify.