An overweight woman walks on the streets of Chicago in this photo taken on October 19, 2006. People can reduce their chances of having diabetes by 80 percent by getting rid of bad habits such as smoking, unbalanced diet and lack of exercise, according to the World Health Organization. November 14 is the World Diabetes Day. (photo: agencies via xinhua)

New Zealand actress Lucy Lawless breastfeeds her baby during a campaign promoting breastfeeding. Breastfeeding during the first eight months of a baby's life can reduce the child's chance of having diabetes. November 14 is the World Diabetes Day. (photo: agencies via xinhua)

A man rests in a Mcdonald's restaurant in London in this photo taken on November 17, 2006. People can reduce their chances of having diabetes by 80 percent by getting rid of bad habits such as smoking, unbalanced diet and lack of exercise, according to the World Health Organization. November 14 is the World Diabetes Day. (photo: agencies via xinhua)

Signs calling for people to quit smoking are seen in a subway carriage in Seoul, South Korea in this photo dated May 31, 2005. People can reduce their chances of having diabetes by 80 percent by getting rid of bad habits such as smoking, unbalanced diet and lack of exercise, according to the World Health Organization. November 14 is the World Diabetes Day. (photo: xinhua)

An overweight child does exercises in Seoul, July 27, 2007. People can reduce their chances of having diabetes by 80 percent by getting rid of bad habits such as smoking, unbalanced diet and lack of exercise, according to the World Health Organization. November 14 is the World Diabetes Day. (photo: agencies via xinhua)

File photo provided by Society for the Prevention of Cruelty to Animals in Australia shows an overweight pet cat. A study shows one in 230 cats in Britain are expected to develop diabetes, to which obesity serves as a major cause. November 14 is the World Diabetes Day.

(Xinhua News Agency November 14, 2007)