Interesting.  A study was recently published that has found "curing obesity" (ie, preventative care) actually increases medical costs... simply because patients live longer.
http://medicine.plosjournals.org/per...d.0050029&ct=1
	Quote:
	
	
		| ..... 
 Conclusions
 
 Although effective obesity prevention leads to a decrease in costs of obesity-related diseases, this decrease is offset by cost increases due to diseases unrelated to obesity in life-years gained. Obesity prevention may be an important and cost-effective way of improving public health, but it is not a cure for increasing health expenditures.
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 Guess NHS might want to rethink their obesity programs.