Because the inflammatory response is the same no matter what the pathogen, it is called the body's general defence.
Yes, there is a variety of things you can do to wear down the enamel. A few of the biggest things are: Drinking Coffee or soda, eating acidic foods and not brushing your teeth. Sadly you are not able to grow back your enamel after if it fully gone so it's best to protect your enamel as much as possible.
I'm going to need to see the statements to really help but all I can say is don't overwork/hurt yourself and stop when you get tired.
