Yes. Any animal can die from constipation, and you need to take care of it as soon as possible. Once you have it fixed find out what is causing it, usually it's their diet.

The bird wants in that area and can,t see the window.

The first Olympics held in the modern era were held in 1896 in Athens. The first ever Olympic games were reported in 776 b.c. In Olympia, Greece and lasted until 393 a.d.

Heat lamps or light in general can serve many functions with chickens. As far as your question, they need to be warm for at least 5-6 weeks and if you are in a cold area, them maybe longer.

Every school can make their own policy on that issue. Most schools allow you to chew gum unless it has created a problem with clean up issues or distractions in the class room.