"BORIS BIKES CAUSE CANCER" is presumably the headline of the (upcoming) related article:
"Cyclists breathe 7 times more rapidly than motorists . Breathing in London air at that rate will hugely increase the rate at which they expel toxic gases"
As any fule kno, cyclists have lower blood concentration of carbon monoxide than motorists breathing the same toxic soup.
As any fule kno, cyclists have lower blood concentration of carbon monoxide than motorists breathing the same toxic soup.