"From the first I became convinced that what I must look for was lead dust and lead fumes, that men were poisoned by breathing poisoned air, not by handling their food with unwashed hands."

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The water was like a physiological stimuli to the subconscious that overwhelmed people with too much psychoanalytical material, you might say. People could do 10 breathing sessions without the water, and then they did breathing sessions in the water.

— Leonard Orr