The Very Simple Science of Exercise
Frequency
This relates to how many times a week you need to exercise in order to become fitter or improve or maintain your health. To be healthy, experts recommend being physically active on at least five days out of seven.
This might sound like a lot, but don't forget that our bodies have evolved over four million years to hunt. With our biological inheritance, it's not surprising that to keep in shape we need to be active on most days.
Intensity
Exercise intensity can be measured in a number of different ways. In a laboratory it can...
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