Being overweight can cause depression, researchers say, with the effects thought to be largely psychological. While previous studies have found that people who are obese are more likely to have depression, it has been unclear whether that is down to depression driving weight changes or the reverse.
Now, in the largest study of its kind, experts say having genetic variants linked to a high body mass index (BMI) can lead to depression, with a stronger effect in women than men. What’s more, they say the research suggests the effect could be down to factors such as body image.
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