2013 Eating disorders Nutrition and mood 
ADDitude
MARCH 20, 2025
They also demonstrated an increased risk for OCD, separation anxiety, generalized anxiety disorder (GAD), depression, learning disorders, conduct disorder, and more. ARFID is characterized by a failure to meet appropriate nutritional and/or energy needs.
ADDitude
FEBRUARY 26, 2025
2, 3, 4 Lifestyle factors such as nutrition, exercise, and sleep exert epigenetic changes on DNA that influence how strongly or weakly ADHD genes are expressed. Levels of dopamine, norepinephrine, and serotonin also increase with exercise, thus improving focus, working memory, and mood to enable better learning. 2013 Apr;33(3):417-25.
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