No scizophrenia is a chemical imbalance in the brain, a mental illness, not caused by anything specific.
Not unless you're really clumsy. You will cause your cat no harm by simply petting or holding it. Cats are not that fragile.
Catatonia or catatonic schizophrenia.
Toxoplasmaosis
the cat stops having litters when the cat stops getting pregnant by a male cat
No, but the cause of a hematoma can spread from cat to cat depending on what that cause is.
One cause could be simply that she is overweight. I would recommend going to a veterinarian and having her checked to make sure.
Yes, you tend to go insane having to clear it up all the time.
If she ate within 12 hours of having the surgery, it can cause her to have nausea and vomiting.
it could be possible but improbable, ask ted nugent
Yes, toxoplasmosis, which can be transmitted by careless handling of cat feces, can affect the brain.
When a cat is having her babies, just let her do her thing. If the cat is having troubles, or perhaps a baby is stuck, call a vet. Try and stay by her (Not to close) to encourage her to have her babies.
No, the smell of cat litter cannot cause a miscarriage.