But many sedentary people push beyond their intrinsic range when they try to exercise too quickly or intensely, which can make them hate the activity and want to stop, says Dr. Ekkekakis.

WSJ: Hard-Wired to Hate Exercise?

Although the researchers took into account a wide range of extenuating factors, including diet and exercise regimens, smoking, alcohol consumption, body mass index, and marital status, it's possible that people who drink coffee differ from the rest of the population in as-yet unidentified ways that make them less vulnerable to disease and early death.

CNN: Coffee drinking linked to longer life

In addition to some simple products, they provide a wide range of resources to help you cook healthy and exercise more.

FORBES: Childhood Obesity Help From Innovative Companies

But it is impossible to say, without running the whole exercise afresh, what the properly calculated range of projections for temperature changes would be.

ECONOMIST: Economics focus

The collection is a follow-up to a similar exercise undertaken in 2001, where the range of estimates of the premium varied from zero to seven percentage points a year.

ECONOMIST: Equity markets

Their emotions range from professional pride to expressions of unease over the exercise of their formidable power.

BBC: The Gatekeepers: Israeli Shin Bet chiefs on film

If the exercise two years ago did not capture the range of problems that an Icelandic volcano might cause, it did show that the general situation was entirely foreseeable.

ECONOMIST: Volcanoes and air travel: Small eruption in Iceland | The

Capt Palmer told the inquest soldiers were firing covering shots during a military exercise and then were switched to a new target on the range.

BBC: Ranger Michael Maguire