Paraphrases from p. 145

Around the world, there are about 1 billion overweight adults. At least 300 million of them are obese.
Around the world, there are more than 1 billion overweight people. 1/3 of them have obesity.
About 13% of the population of the world are overweight. And 300 million of them are obese.
In the world there are more than 1 billion "fat" adults. At least 300 million of them are obese.
All around the world statistics point out that from 1 billion overweight adults, there are 300 million who are obese.

Obesity and being overweight can be a major risk of chronic disease and certain forms of cancer.
Being obese and being overweight can cause a serious risk for chronic disease including...
Obesity and being overweight make some problems for health, for example....
Obesity and its initial stages create a major risk for chronic disease including...
Obesity and being overweight cause the main risk for long-term disease including...