http://www.cleveland.com/metro/index.ssf/2012/05/exploration_of_24-year_life_ex.html Life expectancy in Hough is 64 years. 8.5 miles (14 km) away in Lyndhurst it's 88.5 years. That equates to an average increase in life expectancy of 1 minute every 2 millimetres you travel from Hough towards Lyndhurst. Anyone know of any steeper life expectancy gradients? Dr Hillary Shaw Food and Supply Chain Management Department Harper Adams University College Newport Shropshire TF10 8NB www.fooddeserts.org Those who neglect the gain of knowledge in order to maximise the gain of beauty will ultimately gain neither