The problem of obesity has been on the constant rise all over the world and is currently proving to be the biggest medical problem for a lot of countries. Apparently, a study carried out by researchers of the School of Public Health at the Imperial College London has reported that obesity rates doubled over the past three-decades.

The study has already appeared on the 3rd of February, in the online edition of the journal known as the Lancet. It was stated in the survey that people living in developed nations might be benefitting from problems regarding physical health because of modern medicine.

It has been found that around 14% women all over the world were obese in the year 2008, whereas one-tenth men were found to be carrying the extra weight. In comparison to these figures, a survey carried out way back in the year 1980 had reported that mere 5% men and 8% women all over the world were obese.

The country with highest body mass index levels in the world was found to be the United States of America, where the average BMI was found to be at 28. It was followed by the south pacific nations of New Zealand and Australia.