Trikes help me to solve the problem caused by auto accident: very little BALANCE.
Recumbents help with the many problems associated with old age. Anyone who says that old age doesn't decreased many of those physical skill used in riding needs to go back and try to do the things they did in their younger years. If someone trys to tell you otherwise, give them a full salt shaker and then discuss something else.
Since we all age(its infinitely better than the alternative), what are the things you are presently doing that should make the transition easier?