In addition to poor physical development, avoidant restrictive food intake disorder can cause other physical and mental health problems. People with ARFID are at risk for amenorrhea, electrolyte abnormalities, and low heart rate.
One case study showed that an adolescent male with ARFID not only had vitamin A, B12, D, E, K, and folate deficiencies but also experienced spinal cord degeneration from malnutrition. In one study of children with ARFID, half of the participants also had a generalized anxiety disorder.

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