Palestinians hold pictures of Hasan Safadi, who according to relatives has renewed a hunger strike for 87 days, during a protest calling for his release from an Israeli jail, in the West Bank city of Nablus, Saturday, Sept. 15, 2012. (AP Photo/Nasser Ishtayeh)

Hunger Strikes: A Look At Why They Happen, And Whether They’re Worth It

From Israel to Gitmo, prisoners accused of terrorist activities have been held without charge, where they await an uncertain future.