Air polution can cause things such as asthma, lung cancer, and many other things. air polution could also cause headaches, dizziness, nausea, and more.
Carbon Monoxide. Carbon Monoxide is polluting the air not water, everything else on the list is something that can pollute the water.
The answer is number 2. The whopping crane
It might affect it's medical history because you could accidentally out the wrong disease in and will be medicated wrong