Health

Roughly 320 million Chinese smoke, including more than half of Chinese men
Three in 10 Chinese smoke, according to Gallup surveys conducted shortly after China's ban on smoking in public places took effect last May. This translates to roughly 320 million adults -- more than the entire U.S. population.

Emotional wellbeing more positive as well
Two years after a catastrophic earthquake struck Haiti, "suffering" is the lowest Gallup has yet recorded. More Haitians are enjoying their lives, and fewer are reporting feeling sad, stressed, or angry.

However, more adults aged 18 to 26 now covered
More American adults lacked health insurance coverage in 2011 -- rising to 17.1% from 16.4% in 2010 and continuing the upward trend seen since 2008. Young adults are the only major demographic group to increase their coverage.

Based on the Gallup-Healthways Well-Being Index
The Gallup-Healthways Well-Being Index tracks daily the percentage of Americans who say they have health insurance coverage. Monthly results are based on telephone interviews with approximately 30,000 national adults; Margin of error is ±1 percentage point.

Based on the Gallup-Healthways Well-Being Index
The Gallup-Healthways Well-Being Index tracks daily the percentage of Americans who say they have health insurance coverage. Quarterly esults are based on telephone interviews with approximately 90,000 national adults; Margin of error is ±1 percentage point.

Young adults show most improvement since 2008
Slightly fewer American adults in 2011 reported having ever been diagnosed with high cholesterol and high blood pressure -- the two most widespread chronic diseases in the county out of the seven that Gallup and Healthways track.

For first time in three years, Americans as likely to be a normal weight as overweight
The percentage of American adults who are obese declined slightly in 2011 to 26.1%, from 26.6% in 2010, but this percentage is still higher than it was in 2008. Blacks, low-income Americans, and those who are middle aged remain the most likely to be obese.

Overall, Americans' stress and happiness levels held steady compared with 2010
Americans' average daily happiness and stress levels changed little between 2010 and 2011. But, there were fewer days in 2011 when Americans were likely to experience a lot of stress and worry. The most stressful days of 2011 coincided with April's tornado outbreak and income tax deadline.

Highlights from the top 10 wellbeing findings Gallup.com published in 2011
Highlights from the top 10 most compelling health and wellbeing findings from the Gallup-Healthways Well-Being Index.

Twenty percent of insured Americans smoke compared with 36% of the uninsured
American adults younger than 65 who have health insurance are more likely than the uninsured to engage in healthy behaviors. Insured Americans are less likely to smoke and are more likely to exercise and eat healthy foods.

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