how to save NHS £17 Billion ....

Effect of increasing active travel in urban England and Wales on costs to the National Health Service

http://www.sciencedirect.com/science/article/pii/S0140673612607661

 Within 20 years, reductions in the prevalences of type 2 diabetes, dementia, ischaemic heart disease, cerebrovascular disease,
and cancer because of increased physical activity would lead to savings of roughly UK£17 billion (in 2010 prices) for the
NHS, after adjusting for an increased risk of road traffic injuries. Further costs would be averted after 20 years.

17 Billion is a lot of elevated cycle lanes and cycle monorails....