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Eating disorder linked to anxiety, autism could be genetic - Insider
Feb 03, 2023 45 secs
By tracking diagnoses across twin pairs, researchers at Karolinska Institutet were able to determine that 79% of the risk of developing ARFID can be explained by genetics.

While many eating disorders are driven by a desire to lose weight, food avoidance in ARFID tends to be motivated by sensory sensitivities.

This may include strong reactions to taste, texture, smells, or appearance of food; fear of choking or vomiting; or just a general lack of interest in eating, Eddy said.

Most childhood picky eaters will diversify their food choices with time, but the genetic basis of the condition means it is more deeply ingrained, according to Eddy.

In fact, their findings suggest that its heritability is on par with that of autism and ADHD, which are both known risk factors for ARFID, along with anxiety.

The recommended treatment involves directly challenging food avoidance and restrictive eating through in- and out-of-session exposures, Eddy said.

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