The Centers for Disease Control and Prevention recommends keeping sodium intake between 2, 300 to 1, 500 milligrams per day for most people, preferably at the lower end of that scale.

CNN: Gut-busting restaurant meals named 'dis-honorees'

In Mexico City, though, pollution and crime have progressively driven people out of the parks and the streets, so most now walk as little as possible preferably no further than from the valet-parking service to the restaurant.

ECONOMIST: Fat Mexico

POLITICIANS, more than most mortals, like to be remembered by something tangible and preferably grandiose.

ECONOMIST: Jean Chr��tien, historical monument

Most people in England want to own their own homes (preferably detached ones with gardens) and think that more of them ought to be built so long as they are far away.

ECONOMIST: Most Britons want their own homes, and green spaces too

The most obvious source of extra cash is the carbon market, or preferably a carbon tax.

ECONOMIST: Forests and how to save them

"The most important thing is to ensure that you have really talked through the implications, preferably with people who have gone that way before you, but it is the immigration implications that are particularly important, " he said.

BBC: High Court judge approves commercial surrogacy