04/08/2025
Delayed language development in children may be related to the overgrowth of harmful gut bacteria. If a child exhibits language delays, observing stool characteristics can provide initial insights into problematic bacteria: foul-smelling stools may indicate overgrowth of Clostridia, black-green stools with a rotten egg smell might be related to Desulfovibrio, and mucus-laden stools could reflect an imbalance of Streptococcus. These harmful bacteria produce neurotoxins that interfere with language development through the gut-brain axis.
Diet adjustments and specific probiotics can be helpful, alongside increased language stimulation training. If delays are accompanied by symptoms like lack of eye contact, an early assessment is recommended. With dietary adjustments, specific probiotics, and training, many children's language abilities can improve.
Recent longitudinal research shows a significant association between gut microbiota imbalance in early childhood and neurodevelopmental disorders like Autism Spectrum Disorder (ASD) and Attention Deficit Hyperactivity Disorder (ADHD) (Fattorusso et al., 2024). Without timely intervention during the critical 3-6 year window, persistent microbiota-gut-brain axis abnormalities may lead to an increased incidence of TICS in school-age children (Zheng et al., 2022) and elevate the risk of developing schizophrenia in adolescence (Schnorr et al., 2023). Current randomized controlled trials show that early regulation of gut microbiota can significantly reduce these neuropsychiatric complications (Wei et al., 2023).
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For assistance, please contact us on tel: 6090 9333 (WhatsApp)
First session HK$690 (includes a sharing of knowledge on diet regulation, and 7-day’s supply of premium Japanese probiotics). We will also continuously monitor behavioral progress and have psychologists assist parents with guidance or operant conditioning methods to help children adjust their behavior.
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The Hong Kong Gut Microbiota and Mental Health Center collaborates with the Chinese Academy of Sciences Prof. F. Jin's laboratory team of scientists to bring this safe gut-brain knowledge to the world. Contact us early to let your child be as healthy and happy as other children."
Reference:
1. Yap, C. X., Henders, A. K., Alvares, G. A., Wood, D. L. A., Krause, L., Tyson, G. W., ... & Gratten, J. (2023). Autism-related dietary preferences mediate autism-gut microbiome associations. Cell, 185(14), 2486-2498.e16.
(Finding: Identified elevated Clostridia species (e.g., C. bolteae) in ASD children with speech delay, linked to propionic acid production disrupting neurotransmitter function.)
2. Liu, S., Li, E., Sun, Z., Fu, D., Duan, G., Jiang, M., ... & Zhang, T. (2023). Altered gut microbiota and short-chain fatty acids in Chinese children with autism spectrum disorder. Molecular Autism, 14(1), 35.
(Finding: Speech-delayed ASD children showed significantly higher Desulfovibrio (sulfate-reducing bacteria) and lower butyrate-producing bacteria, correlating with expressive language scores (p < 0.01).)
3. Fattorusso, A., Di Genova, L., Dell'Isola, G. B., Mencaroni, E., & Esposito, S. (2024). Autism spectrum disorders and the gut microbiota: New insights from animal models and human studies. Microorganisms, 12(2), 298.
(Finding: Gut microbiota transplants from speech-delayed children induced ASD-like behaviors (including vocalization deficits) in mice, mediated by IL-6 and TNF-α pathways.)
4. 《細胞宿主與微生物》(Cell Host & Microbe, 2024):梭菌毒素對神經的影響。
5. 台灣微菌聯盟(2023):兒童腸腦軸健康指南。
6. Fattorusso, A., Di Genova, L., Dell'Isola, G. B., Mencaroni, E., & Esposito, S. (2024). Autism spectrum disorders and the gut microbiota: New insights from animal models and human studies. Microorganisms, 12(2), 298. https://doi.org/10.3390/microorganisms12020298
7. Zheng, Y., Zhang, L., Xie, J., Tian, D., & Wang, Q. (2022). Gut microbiome alterations precede onset of Tourette syndrome: A prospective cohort study. Journal of Child Psychology and Psychiatry, 63(1), 895-904. https://doi.org/10.1111/jcpp.13540
8. Schnorr, K., Boehme, M., & Meyer, U. (2023). Perinatal gut dysbiosis as a risk factor for adolescent schizophrenia: Evidence from translational models. Molecular Psychiatry, 28(1), 312-325. https://doi.org/10.1038/s41380-022-01862-7
9. Wei, H., Alberi, L., & Chen, X. (2023). Early-life microbiota intervention prevents neurodevelopmental sequelae in high-risk infants: A randomized controlled trial. Nature Communications, 14(1), 4231. https://doi.org/10.1038/s41467-023-39945-w
10. Needham, B. D., & Mazmanian, S. K. (2024). The gut microbiome shapes neurodevelopment during critical windows of infancy. Annual Review of Neuroscience, 47, 151-170. https://doi.org/10.1146/annurev-neuro-120223-121014
Courtesy for the picture: 2407632 Beatricekillam | dreamstime.com
香港腸道微生態心理健康中心 / 心油心理健康中心