[charlieyu1]

Sources of high life expectancy:

https://en.wikipedia.org/wiki/List_of_countries_by_life_expe...

Source of 12 minute arrival policy of ambulance:

https://www.hkfsd.gov.hk/eng/aboutus/performance.html

[mrguyorama]

Where is the source that says one is caused by the other

[charlieyu1]

My opinion. Basic logical deduction anyway. Are we not allowed to express personal thoughts without quoting someone now?