Obesity in the world has doubled

In the past 30 years, the number of obese people has increased almost 2 times with scary numbers: 5 million people.

In the past 30 years, the number of obese people in the world has doubled.

Above is the estimated data of Russian scientists and the results of research by Royal London School of Economics experts also showed similar results.

It is the result of hundreds of statistics, conducted in 199 countries around the world from 1980 to 2008, including more than 9 million people aged 20 and over.

Scientists studied changes in body mass index (BMI, ie Body Mass Index, measured by dividing the weight by the height squared).

Normally, people over 20, BMI = 18-24.9 are normal, BMI = 25-29.9 are obesity degree 1, BMI = 30-34.9 are obesity degree 2, BMI over 35 is obese degree 3. Medical practitioners think that BMI of 30 or more can be considered as a disease, requiring treatment.

According to statistics in 2008, 9.8% of men and 13.8% of women, equivalent to 205 million men and 297 million women with obesity.

The highest proportion of people suffering from obesity in Oceania, the country with the highest number of obese people is the United States and the number of the most 'slimy' people is Japan.