Alternate nostril breathing calms an agitated mind, oxygenates your body, balances both hemispheres of the brain and balances your nervous systems.

Its diminutive size, which makes it so handy for stashing in a coat pocket, also makes it unlikely to satisfy more than one antsy kid on a long car ride.

Such assurances calmed the foreign-exchange market, as did a statement from a future member of the Fed’s monetary committee that the bank still had some way to go before easing off on interest rates.