HealthPumping cold water inside the body could help after heart attacks Flushing cold water through a tube down the throat can stop the body overheating, helping prevent brain damage after a heart attack 51¶¯Âþ
MindA type of brainwave may help clean your brain while you sleep Slow waves of electrical activity through your brain may help rinse away its waste products while you sleep. The process seems to go awry in Alzheimer's disease 51¶¯Âþ