White, boxy and equipped with a futuristic exit hatch, the Samadhi sensory deprivation tank resembles a space pod. It's filled with 800 pounds of Epsom salt dissolved in 150 gallons of ...

When Casey Campbell left the U.S. Army after eight years — including a year in Iraq and two in South Korea — he felt anxious and depressed, he said. “I had a hard time adjusting. I couldn’t sleep,” he ...