Just got my self a polar FT7 HRM and went out for a 13km walk I was shocked to see the difference in reported calorie loss between the 2 My iphone reported 1064 whereas the FT7 reported 908 :tongue: So I think that the FT7 is a worthy investment, happy days :laugh:
If you have BBC TV, an interesting series starting Thursday http://www.bbc.co.uk/programmes/b01jxzv8 http://www.guardian.co.uk/business/2012/jun/11/why-our-food-is-making-us-fat