Add spaces: Itcannotbeusedtotreatorpreventdiseases.

Answer: It can not be used to treat or prevent diseases.

Add spaces: Hot-watershowersBathroomsfordisabledpeople

Answer: Hot-water showers Bathrooms for disabled people

Add spaces: 8Andshe,beingputforwardbyhermother,saith,GivemehereonaplattertheheadofJohntheBaptist.

Answer:
8 And she, being put forward by her mother, saith, Give me here on a platter the head of John the Baptist.