What is the current state of the law on Eighth Amendment deprivation?

^5. Some Eighth Amendment deprivation claims that have been found to survive the initial pleading stages concern a complete lack of outdoor exercise, excessive noise, inadequate lighting, inadequate ventilation, lack of personal hygiene supplies, and adequate food and water. See Keenan v. Hall, 83 F.3d 1083, 1089-1091 (9th Cir. 1996).