Resources

The resources below help inform our articles on early childhood development, learning through play, family wellbeing, and age-appropriate activities. At Little Genius Guide, we aim to share warm, practical guidance that’s also grounded in trusted research.

Centers for Disease Control and Prevention (CDC): Milestone Tracker Website – The gold standard for age-by-age checklists.

Mayo Clinic: Infant Development Guide – Detailed medical breakdowns of physical growth.

HealthyChildren.org (American Academy of Pediatrics): Developmental Stages – Expert advice on emotional and social milestones.

Zero to Three: Early Development Resources – Focuses on the science of early childhood and brain development.

Kuzawa, C.W. et al. (2014). Metabolic costs and evolutionary implications of human brain development. PNAS. https://www.pnas.org/doi/10.1073/pnas.1323099111 Gibson, S.A. et al. (2012). The role and requirements of digestible dietary carbohydrates in infants and toddlers. European Journal of Clinical Nutrition / PMC. https://pmc.ncbi.nlm.nih.gov/articles/PMC3390559/ Frontiers in Endocrinology (2022). Impact of glucose metabolism on the developing brain. https://www.frontiersin.org/journals/endocrinology/articles/10.3389/fendo.2022.1047545/full Karger / Annals of Nutrition and Metabolism (2020). Brain Fuel Utilization in the Developing Brain. https://karger.com/anm/article/75/Suppl.%201/8/42658/Brain-Fuel-Utilization-in-the-Developing-Brain American Academy of Pediatrics (2023). Low-Carbohydrate Diets in Children and Adolescents With or at Risk for Diabetes. Pediatrics. https://publications.aap.org/pediatrics/article/152/4/e2023063755/193955/ HealthyChildren.org / AAP (2023). Safety Concerns Over Low-Carbohydrate Diets to Manage Diabetes in Children. https://www.healthychildren.org/English/news/Pages/safety-concerns-over-low-carbohydrate-diets-to-manage-diabetes-in-children.aspx Northwestern University (2019). The brain consumes half of a child’s energy — and that could matter for weight gain. ScienceDaily. https://www.sciencedaily.com/releases/2019/06/190617164629.htm Frontiers in Nutrition (2022). Association study between hypothalamic functional connectivity, early nutrition, and glucose levels in healthy children. https://www.frontiersin.org/journals/nutrition/articles/10.3389/fnut.2022.935740/full

A gentle note

These references are shared for educational purposes and to show the kinds of sources that inform our writing. They’re not a substitute for professional medical, developmental, or educational advice for your child. If you have concerns about your child’s health or development, please speak with a qualified professional.