U.S. health costs may be highest due to weight - MSNBC/Reuters

Nearly twice as many U.S. adults are obese compared to European, a key factor leading Americans to suffer more often from cancer, diabetes and other chronic ailments, a study released on Tuesday found.

Treatment of these and other chronic diseases adds between $100 billion and $150 billion to the annual health care tab in the United States, according to the report comparing U.S. and European health published online in the journal Health Affairs.

The United States spends significantly more per capita than any European country on health care, about $2 trillion annually, or 16 percent of the gross domestic product....