Yes, but not as often as we do. They get it from certain illnesses.
Oh, yes! They even have a disease similar to Alzheimer's,. My late cat had it.
You put catnip on the cat furniture.
put a bit of chicken on the end of a piece of string and dangle it and drag it along the floor, to attract its attention in the first place pucker your lips and make a squeeking sound by sucking, or...
Cats fight with older because they are trying to establish their place in the clutter. They are trying to prove their dominance.
probably in the basement.