You have 90 already???? LOL, didn't think so.

Well as far as #1, I have not seen that. There are a couple of things you can do to keep your villagers healthy. One hint was given to you during the tutorial!

Time cheating will not be all the helpful with TLC. You are going to have to play with out cheating if you want all the puzzles. :P

Only the women are affected on #2.