Our average life expectancy has risen in the past century from 45 to almost 80 years, while, at the same time, we have to exert less and less physical effort to survive. The conclusion seems obvious: it pays to be lazy. However, nothing could be further from daily reality.

There are only a few things in this world that everyone seems to agree on, but people everywhere believe that it is bad to exercise little, and that we can only stay healthy by doing sports. The result is that, nowadays you cannot go for a peaceful walk in the woods without being overtaken by panting, sweating and clearly suffering joggers. Lees verder »