Anything except lung cancer if that makes sense, I don't know what your options are
Hope that helps feel free to ask me more questions.:)
B. Intensity
I may be incorrect, but the reason I say Intensity is because the more you push yourself to your limits, the more flexible you’ll get.
Answer:
Depression, Random Anxiety, Not Interacting with people as much, and being sad and alone all the time.
Explanation: