Correspondence to Professor Steven N Blair, Department of Exercise Science, Department of Epidemiology and Biostatistics, Arnold School of Public Health, University of South Carolina, SC 29208, USA; ...

In nutrition, energy balance is the difference between the amount of energy consumed through the diet and the amount required to sustain the body’s functions, such as respiration, circulation, ...

Energy balance is the result of the combined influences of energy intake and energy expenditure; however, their relative contributions continue to be vigorously debated. The complexity of the issue is ...

A planetary perspective on the relationship between life and energy, and the emergence of a life form whose influence extends across the entire biosphere — presenting us with an awesome opportunity.