Goal: Boost Energy

THE WINNER: EXERCISE

Your brain pours out invigorating neurotransmitters like dopamine and norepinephrine when you exercise, says Dr Patrick O’Connor, an exercise psychologist at the University of Georgia, US. Numerous studies have found that people who train consistently report surges in energy.

In fact, recent research published in the Journal of Applied Physiology found that exercise also increases the production of mitochondria – cells that provide energy – in your brain. So a run on the treadmill makes your mind sharper, too.

Photo by Patrik Giardino / Getty Jun 22, 2012

Diet or Exercise: Which Works Best?

It’s not always possible to work out enough and eat right all the time, so we turned to the experts to find out whether diet or exercise is best in six different scenarios.