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We are constantly told of the ever worsening obesity problem in the UK and throughout the world. But what's the truth, and what's fiction? Take a look at eighteen key obesity facts to find out for yourself...

Fact 1. Obesity is diagnosed by a Body Mass Index (BMI) reading of over 30. An individual with a BMI between 25 and 29.9 is said to be overweight.

Fact 2. 1.5 billion adults are believed to be overweight around the world.

Fact 3. In the UK, nearly 35% of women in the UK are overweight, with a further 20% clinically obese.

Fact 4. People with obesity live on average nine years less that people of a healthier weight.

Fact 5. 60% of the UK population is now believed to be obese or overweight.

Fact 6. Worldwide obesity has more than doubled since 1980.

Fact 7. Overweight and obesity are the fifth leading cause of deaths around the world.

Fact 8. Worldwide, 200 million men and 300 million women are clinically obese.

Fact 9. Overweight and obesity causes more deaths worldwide than cases of underweight.

Fact 10. Obesity in two to four year olds is now over 9% in the UK.

Fact 11. Over 18 million sick days a year in the UK are attributed to illnesses associated with obesity.

Fact 12. 7,000 people were given weight loss surgery on the NHS in 2010, a 70% increase on the previous year.

Fact 13. In the UK, nearly 45% of men in the UK are overweight, with a further 18% clinically obese.

Fact 14. 44% of diabetes cases are believed to be directly caused by obesity.

Fact 15. Around the world, 43 million children under the age of five were overweight in 2010.

Fact 16. Over 10,000 patients were admitted to NHS hospitals in 2010 due to obesity.

Fact 17. 23% of heart disease is thought to be directly caused by obesity.

Fact 18. School children in the UK get the lowest amount of physical activity of any country in Europe.

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