Ten years might not be long enough for long term damage to make itself known. In fact, most of the time, it's nowhere near long enough. However, the cardio sho

Ten years might not be long enough for long term damage to make itself known. In fact, most of the time, it's nowhere near long enough. However, the cardio should help. With overall health that is, not whatever blown knee or hip or whatever he'll have to deal with later.