Three minutes of exercise per week

It is the research behind this revolutionary idea that forms the subject of a new book by the BBC’s Dr Michael Mosley.

Determined to reverse his downward slide into prediabetes, Mosley embarked on a journey to determine the right sort of exercise to achieve the best results, and was surprised by the outcome.

What followed was the uncovering of an increasing amount of evidence that suggests as much benefit (in terms of cardiovascular fitness, insulin sensitivity, reduction in body fat and increased strength) can be gained