You become so healthy with a bike

Good research results from Swedish and Danish research papers. Needed more than 1km a day with a bike, but in places where it is safe to bike, not in narrow streets without a bike lane (what is that?, Not even in cities...) with many even narrower road curves populated by cars going 90 km/h (overtaking if necessary to keep that speed) while talking at the phone or looking at a smartphone, taking care more to reach destination as quick as possible, touching the break so few times as possible (typical Italian style): http://forskning.no/helse-sykling/2016/12/sa-mye-sunnere-blir-du-av-sykle