The quality of life and general health can vary greatly from one UK city to another.New research has shown the areas which are the healthiest and least healthly in the country. The study, carried out by health and wellness expert at bluehorizonbloodtests.co.uk, looked at different factors to give areas a score out of 100. It looked at Air Quality, Smoking's Limited Impact, Dietary Habits, Mental Health's Nuanced Role, Importance of Physical Acti…