University of California physiologists say nervous tension causes the adrenal glands to release so-called stress hormones.

NPR: Dishing Up Comfort Food for Hard Times

This nervous tension was visible in culture, sport and, of course, in politics too, as Mr Hosking explores.

ECONOMIST: Russians

The plot lacks the topicality and nervous tension that distinguished it the first time around, when the same director, Martin Campbell, made it for British television in 1985.

NEWYORKER: Edge of Darkness

Then the soul-erosion produced by high gambling -- a compost of greed and fear and nervous tension -- becomes unbearable and the senses awake and revolt from it.

CNN: James Bond on Her Majesty's Secret Service

That got the Rangers even and took some of the nervous tension out of the crowd that had already let out loud groans when Backstrom gave the Capitals a 1-0 lead when he deflected in John Carlson's shot in the slot.

WSJ: Rangers hold off Caps, cut deficit to 2-1

That got the Rangers even and took some of the nervous tension out of the crowd that had already let out loud groans when Backstrom gave the Capitals the 1-0 lead when he deflected in John Carlson's shot in the slot.

WSJ: Rangers hold off Caps, cut deficit to 2-1

After a nervous opening, Valon Behrami released the growing tension 11 minutes before the interval by bundling home Frederic Piquionne's header inside the area.

BBC: West Ham 3-1 Wigan

When he gets nervous during his book tours, he either chats with his brother backstage to cut the tension or throws up.

WSJ: From YouTube to Carnegie Hall