'We' all know that cycling is good for personal health and 'we believe' that it probably saves the NHS money - and even more if more people cycled. I presume someone has done some research(?)
The quotes below are about the results of smoking bans.
"may still have saved the NHS over £8m."
"Research from Scotland, where a ban was introduced in March 2006, reported a 17% decrease in heart attack admissions in the year after its ban."