Dr. Floriana Luppino of the Leiden University Medical Center and her colleagues went through 15 previous studies involving 58,745 participants that examined the relationship between depression and obesity or being overweight.
"We found bi-directional associations between depression and obesity," Dr. Luppino said. "Obese persons had a 55 percent increase of developing depression over time. Depressed persons had a 58 person increased risk of becoming obese. The association between depression and obesity was stronger than the association between depression and overweight."
The association was also stronger among Americans than Europeans, and stronger for people who have been diagnosed with depression compared to those with depressive symptoms. Dr. Luppino said she believes that weight gain may be a late consequence of depression, so medical professionals should monitor depressive patients for weight gain, and obese patients for symptoms of depression.
This study appeared in the Archives of General Psychiatry.
Labels: depression, obesity
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