Major depression is a leading cause of disability globally, and according to U.S. researchers, people who are obese are more at risk of suffering from a psychiatric disorder.

The researchers studied more than 9,000 people and found that there is a strong link between obesity and mood and anxiety disorders, especially among White Americans.

They found that an obese person is about 25% more likely than a non-obese person to have a mood or anxiety disorder, such as depression. In those with more education and higher income, the risk may be as high as 44 percent.

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