Answer:
Buy Chapstick or use vaseline.
Explanation:
I used to live on a tropical island and I moved to the desert 6 years ago. Since it is so dry and my body is not used to it, I can't go 2 days without chapstick or my lips will become super chapped.
All of these are serious health risk from anorexia, however i think the most serious health risk from anorexia nervous is Death.