- Low in carbohydrates (carbs)
- High in fat
- Moderate in protein
- ≤ 50g carbs/day
- Helps with insulin sensitivity and weight loss

Ketogenic diet

- Eliminates all meat products
- Allows for non-meat animal products
- Heavy in fruits, vegetables, and grains

Vegetarian diet

- Removes all wheat products from diet
- Allows for all other food groups
- Used by those without celiac disease
- Can cause IBS in those who start the diet
- Those with IBS who start the diet can experience a reduction in symptoms

Nonceliac gluten sensitivity diet

Those with Autism Spectrum Disorder (ASD) have a tendency towards eating disorders and obesity because of their want for junk food and picky eating behaviors. Some diets that have been found to help curb negative eating habits and some autistic behaviors include
- Nonceliac gluten sensitivity diet 
- Ketogenic diet
- Vegetarian diet

Grinnell College

* Autism and diet
* ADHD and diet
* Intellectual disabilities and diet

Diet and Disabilities

Abd El Baaki, O.M., Abd El Hamid, E.R., Zaki, S.T. et al. Diet modification impact on ADHD outcome. Bull Natl Res Cent 45, 15 (2021). https://doi.org/10.1186/s42269-020-00466-x

Batch, J. T., Lamsal, S. P., Adkins, M., Sultan, S., & Ramirez, M. N. (2020). Advantages and Disadvantages of the Ketogenic Diet: A Review Article. Cureus, 12(8), e9639. https://doi.org/10.7759/cureus.9639

Doreswamy, S., Bashir, A., Guarecuco, J. E., Lahori, S., Baig, A., Narra, L. R., Patel, P., & Heindl, S. E. (2020). Effects of Diet, Nutrition, and Exercise in Children With Autism and Autism Spectrum Disorder: A Literature Review. Cureus, 12(12), e12222. https://doi.org/10.7759/cureus.12222

Gast, D. A. A., de Wit, G. L. C., van Hoof, A., de Vries, J. H. M., van Hemert, B., Didden, R., & Giltay, E. J. (2022). Diet quality among people with intellectual disabilities and borderline intellectual functioning. Journal of applied research in intellectual disabilities : JARID, 35(2), 488–494. https://doi.org/10.1111/jar.12958

Hargreaves, S. M., Raposo, A., Saraiva, A., & Zandonadi, R. P. (2021). Vegetarian Diet: An Overview through the Perspective of Quality of Life Domains. International journal of environmental research and public health, 18(8), 4067. https://doi.org/10.3390/ijerph18084067

Sergi, C., Villanacci, V. & Carroccio, A. Non-celiac wheat sensitivity: rationality and irrationality of a gluten-free diet in individuals affected with non-celiac disease: a review. BMC Gastroenterol 21, 5 (2021). https://doi.org/10.1186/s12876-020-01568-6

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