It affects voluntary muscle activity including speaking, walking, breathing, swallowing and general movement of the body and usually causes progressive disability.

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The world's able and fit congregate to breathe, stretch and awaken with low-impact tai chi, yoga and Chinese movement-and-breathing therapy, qi gong.

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If a bedridden person or baby moves, the wireless system detects the movement but cannot measure their breathing at the same time.

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When his staff gassed mice with hydrogen sulfide at a fraction of the lethal dose for humans, their body temperatures plunged, all movement stopped, and their breathing slowed to just a few breaths per minute.

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