In my opinion its the fact that your brain can work like a computer and how it processes information that it receives from the senses and body, and sends messages back to the body.
A increase could decrease stress in life and a decrease could rocket your stress levels
A genre is a classification of something, and it depends on what you are classifying. Often it is music, and these genres can be rock, pop, jazz, punk, R&B and any others like this.
Answer: C and A
Explanation: Hope this helps