Former prisoners spoke about the effects of solitary confinement Tuesday, in a congressional hearing aimed at banning the treatment for some inmates. The federal push to reduce solitary confinement is being led by Sen. Dick Durbin, D-Ill., who calls it "a human rights issue we can't ignore."

Inmates who are held in solitary confinement spend 23 hours a day in small windowless cells, receiving their food on trays that are pushed through a slot in the cell's door.

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From NPR News, this is ALL THINGS CONSIDERED. I'm Melissa Block.