Look at how the government in Britain views the beneficiaries of it's largesse. Notice how this cost drives the call for more and more legislation into our personal lives.
Inactive Britons cost the NHS 1 bln pounds a year
http://www.healthcentral.com/diet-exercise/news-33150-66.html
Treating illness and disease caused by smoking is estimated to cost the NHS up to £1.7 billion every year.
http://www.archive.official-documents.co.uk/document/cm41/4177/chap-01.htm
Smokers told to quit or surgery will be refused
http://www.dailymail.co.uk/pages/live/articles/news/news.html?in_article_id=459574&in_page_id=1770
Overweight patients to be refused hip replacements
http://www.abcmoney.co.uk/news/2420051408.htm
The truth of the matter is the NHS cost the UK taxpayer almost 85 bln pounds in England alone in 2006. That's around 1700 pounds ($3400) for every man woman and child. So if the US spent at the same rate you'd have a yearly spend of over 1 trillion dollars.