good question. Been awhile since i've seen level 1 in medicine. I started a hard game recently and was going to write a guide for that but have since changed my mind, but i will however when one turns elderly if no one else has responded yet i will let you know what i see as for the elderly age range at level 1. I think its early 50's but dont quote me yet.
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Village Monk
"There's no place like 127.0.0.1"