Obesity, underweight condition may up depression

Obesity, underweight  condition may up depression
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Highlights

: Women who are extremely underweight and obese are likely to be at an increased risk of developing common mood disorders like depression and anxiety, as a result of low feel good neuroactive steroid, finds a study.

New York: Women who are extremely underweight and obese are likely to be at an increased risk of developing common mood disorders like depression and anxiety, as a result of low feel good neuroactive steroid, finds a study.

Neurosteroid "Allopregnanolone" also known as "allo" is a metabolite of the hormone progesterone -- a female hormone. Allo works by producing a positive mood and feelings of well-being. The findings showed that in women with anorexia nervosa, blood levels of allo were 50 per cent lower than they were in women with normal body mass index (BMIs).

Women who were clinically obese had allo levels approximately 60 per cent lower than women with normal weights.

Further, participants with lower levels of allo had greater severity of depression symptoms, the researchers noted.

"Depression is an incredibly prevalent problem, especially in women, and also particularly at the extremes of the weight spectrum," said Karen Miller, professor at Harvard Medical School.

"We are beginning to see more and more evidence that low allo levels are tightly linked to depression, anxiety, post-traumatic stress disorder and other mood disorders," added Graziano Pinna, associate professor in the University of Illinois at Chicago.

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