He is a member of Islamic Jihad! If he chooses to go on hunger strike it's his choice! He will be freed anyway in May. And when I remember how well and healthy all the prisoners have been who were freed in exchange for Shalit, I can't judge this action to be more than getting attention. Don't worry, you good people, he won't die!
Zimbabwean charged over killing of Cecil the lion (Reuters)
from the article: Israel rejects appeal of Palestinian prisoner on hunger strike