It is only when we are under tension that all that mental energy turns into stress.

FORBES: Job One for Leaders

The endpoints were spontaneous food intake, energy expenditure, stress markers, appetite sensations, and profiles of appetite-related hormones.

FORBES: Why Playing Video Games Might Make You Fat

Last week, at the Sheffield conference, central government's representatives were anxious to stress that much bureaucratic and ministerial energy is being poured into the ideas for urban revival produced last year by a task force chaired by Lord Rogers, an architect.

ECONOMIST: English cities

You know all the ways to gain energy: eating better, exercising, reducing stress, sleeping more.

FORBES: The Five-Step Plan To Get Your Mojo Back

Bring more joy (and less stress) to this season by optimizing your time, energy and definitions of success over the next three months at work and in the other parts of your life.

FORBES: Plan Your Holidays Now, Maximize Joy, Minimize Stress

"Clearly there are mutual interests in terms of large energy suppliers and consumers, but there will be stress points, of course, " said Ben Simpfendorfer, co-founder of Silk Road Associates, an investment advisory firm specializing on trade between the Middle East and Far East Asia.

CNN: Middle East and China forge ties over oil

Marilyn looks as vibrant and with more energy and vitality today as she did before starting a stress filled career as a corporate executive years ago.

FORBES: Are You Living the Life of Your Dreams? An Interview with Author Marilyn Tam

By repeatedly drawing energy out and pouring it back in every ten minutes, they want to know how much stress the batteries can handle.

FORBES: Magazine Article