Answer:
Emotional, mental, and physical
OK so if you mean that it will not pollute the air then yes this is true.
Tapeworms and lice are examples of parasites that can cause diseases in humans.
Answer:
https://www.everydayhealth.com
You can find anything here such as heath and other or you can try this website https://www.girlshealth.gov or even http://www.webmd.com i think web md is a good website
Awooga thats a lot of questions