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Numbers of people in China who are now classified as overweight and obese have risen sharply in a relatively short time, says Professor Yangfeng Wu from the Chinese Academy of Medical Sciences in Beijing.
They account for one fifth of the world’s population in this condition, despite China once being seen as country with a lean population.
Figures from the 2002 national nutrition and health survey in China showed 14.7% of Chinese were overweight and another 2.6% were obese – meaning that there were an estimated 184 million overweight people and a further 31 million obese people there.
Data from the China national surveys on the constitution and health in school children also showed that the prevalence of overweight and obesity in children aged 7-18 increased 28 times and obesity increased four times between 1985 and 2000.
The reasons for this can be attributed to a combination of factors including changes to traditional diet, reduced levels of physical activity, and a more sedentary lifestyle, says Professor Wu, for example, with a large rise in the number of cars being bought. Production of cars in China rose from 5,400 in 1980 to over 2 million in 2003.
“As in other countries, China’s epidemic of overweight and obesity poses a considerable public health problem, and it is becoming increasingly clear that we need to act now to prevent any further increase,” he writes.
Ways of doing this are uncertain, he suggests, but lifestyle education could help as well as listing the prevention and control of obesity as a goal in China’s framework and policy on health.
Click here to view full editorial: http://press.psprings.co.uk/bmj/august/edit362.pdf
Click here to view full contents for this week's print journal: http://press.psprings.co.uk/bmj/august/contents1908.pdf
Source: British Medical Journal