With humans, if we get too little sleep, have a poor diet, and take on too much pressure, our stress levels rise and we succumb to ailments our otherwise healthy immune system could easily handle.

CNN: What's killing the bees

The fact that some of its competitors, most notably Wendy's and KFC, have already begun the switch without too much incident places even more pressure on McDonald's.

FORBES: McDonald's Arches Still Golden

Feathers scorch if you heat them too much, so the researchers have to keep the temperature and pressure within the narrow range that make feathers malleable without burning them.

ECONOMIST: Flights of fancy

You have to be sure that you're not being counterproductive and hurting yourself by putting too much pressure on yourself to try to perform well, not playing within yourself.

WSJ: Syracuse searches for QB, finds another contender

Bell will have a point to prove if he returns as expected but Vaughan has warned him not to put too much pressure on himself and take the lead of some of England's other players.

BBC: Bell can shine in Ashes - Vaughan

All that said, the banks that regard themselves as strongest have a particular incentive to resist pressure from the Bank of England and the Treasury not to take too much of the money on offer in tomorrow's auction and in the so-called Funding for Lending scheme that will be launched next month.

BBC: Downgraded UK banks, bonuses and Bank of England support

How much peer pressure do you have from others who might think you're a little bit too churchy for them?

NPR: The Sheards: A Mother-Daughter Gospel Duo

One reason Canadian and Spanish banks have succeeded in moving into the U.S. in recent years is that they haven't put too much pressure on their U.S. subsidiaries to grow, says Gerard Cassidy, a banking analyst with RBC Capital Markets, so they weren't overextended when the financial crisis hit.

FORBES: Wall Street