The big breath secret: can I improve my lung capacity, efficiency and power?

My father’s death from cancer showed me you need to look after your lungs. But apart from not smoking, what should you be doing? I headed to a laboratory, strapped on a mask and heart monitor and started pedalling …Lungs are amazing. There they sit, inflating and deflating from dawn to dusk, dusk to dawn, sucking in air, stripping out oxygen and exchanging it for carbon dioxide. They do this 20,000 times a day, 7.5m times a year, 600m times in the average lifetime, keeping our trill