Green R, Lanphear B, Phipps E, Goodman C, Joy J, Rihani S, Flora D, Till C. Development and Validation of PRoTECT: PRevention of Toxic chemicals in the Environment for Children Tool. Frontiers in Public Health. 2022. (IF=3.71)

Goodman C, Bashash M, Green R, Song P, Peterson KE, Schnaas Lourdes, Mercado-García A, Martínez-Medina S, Hernández-Avila M, Martinez-Mier A, Téllez-Rojo MM, Hu H, Till C. (2022). Domain-specific effects of prenatal fluoride exposure on child IQ at 4, 5, and 6-12 years in the ELEMENT cohort. Environmental Research, 211. Available from 

Goodman C, Hall M, Green R, Hornung R, Martinez-Mier, E.A., Lanphear B, Till C. Maternal fluoride exposure, birth outcomes and fertility: The MIREC cohort. Environmental Advances, in press.

Cantoral A, Malin AJ, Schnaas L, Osorio-Valencia E, Mercado A, Martínez-Mier EA, Wright RO, Téllez-Rojo MM, Till C. (2021). Dietary fluoride intake during pregnancy and neurodevelopment in toddlers: A prospective study in the PROGRESS cohort., Neurotoxicology, 87, 86-93.

Grandjean P, Hu H, Till C, Green R, Bashash M, Flora D, Tellez-Rojo MM, Song P, Lanphear B, Budtz-Jørgensen E. A benchmark dose analysis for maternal pregnancy urine-fluoride and IQ in children. Risk Analysis, in press.


Farmus L, Till C, Green R, Hornung R, Martinez-Mier EA, Ayotte P, ... & Flora D. (2021). Critical windows of fluoride neurotoxicity in Canadian children. Environmental Research, 111315.

Riddell, K, Malin AJ, McCague H, Flora DB, Till, C. (2021). Urinary Fluoride Levels among Canadians with and without Community Water Fluoridation. International Journal of Environmental Research and Public Health, 18(12), 6203.

​Cunningham J, McCaugh H, Malin A, Flora D, Till C. (2021). Fluoride exposure and duration and quality of sleep in a Canadian cohort. Environmental Health, 20, 16.


Green R, Till C, Cantoral A, Lanphear B, Martinez-Mier E.A., Ayotte P, Wright RJ, Wright RO, Tellez-Rojo MM, Arora M, Malin AJ. (2020). Associations between urinary, dietary, and water fluoride concentrations among children in Mexico and Canada, Toxics, 8(4).


Green R, Rubenstein J, Popoli R, Capulong R, Till C. (2020). Sex-specific neurotoxic effects of early-life exposure to fluoride: A review of the epidemiologic and animal literature. Current Epidemiology Reports, 7, 263–273. 


Till C & Green R. The evolving science of fluoride: When new evidence doesn’t conform with existing beliefs. Pediatric Research. Invited commentary for special issue on Controversies in Pediatrics, published online 22 May, 2020.


Till C, Green R, Lanphear B. Association Between Maternal Fluoride Exposure During Pregnancy and IQ Scores in Offspring in Canada – In Reply. JAMA Pediatrics, published online December 30, 2019.


Till C, Green R, Flora D, Hornung R, Martinez-Mier EA, Blazer M, Farmus L, Ayotte P, Muckle G, Lanphear B. (2019). Fluoride exposure from infant formula and child IQ in a Canadian birth cohort, Environmental International, 134, January 2020, 105315,


Riddell J, Malin A, Flora D, McCague H, Till C. (2019). Association of water fluoride and urinary fluoride concentrations with attention deficit hyperactivity disorder in Canadian youth. Environment International, 133 (Part B),


Green R, Lanphear B, Hornung R, Flora D, Martinez-Mier A, Neufeld R, Ayotte P, Muckle G, Till C. (2019). Fluoride exposure during fetal development and intellectual abilities in a Canadian birth cohort, JAMA Pediatrics, 173(10), 940-948.

  • See Open Science Framework for supplemental information related to research studies:     


Till C, Dudani A, Cordoba L, Cano JC, Green R, Menezes-Filho JA, Smith D, Schnaas L, Lindh C, van Wendel de Joode B. (2019). The role of caregiving in infants' development in rural Costa Rica: Results from the Infant’s Environmental Health Study (ISA). Neurotoxicology, 74, 100-107.


Till C, Green R, Grundy JG, Hornung R, Neufeld R, Martinez-Mier A, Ayotte P, Muckle G, Lanphear. (2018). Community water fluoridation and urinary fluoride concentrations in a national sample of pregnant women in Canada, Environmental Health Perspectives, 126(10): 107001.


Bashash M, Merchand M, Hu H, Till C, Martinez-Mier AE, Sanchez BN, Basu N, Peterson K, Green R, Schnaas L, Mercado-Garcia A, Hernandez-Avila M, Tellez-Rojo MM. (2018). Prenatal fluoride exposure and attention deficit hyperactivity disorder (ADHD) symptoms in children at 6-12 years of age in Mexico City. Environmental International, 121(Pt 1):658-666.


Malin AJ, Riddell J, McCague H, Till C. (2018). The relationship among urinary fluoride, urinary iodine and serum thyroid stimulating hormone levels among adults living in Canada. Environment International, 121(Pt 1):667-674.




De Somma E, O’Mahony J, Brown RA, Brooks BL, Yeh EA, Cardenas De La Parra A, Arnold D, Collins L, Maranzano J, Narayanan S, Marrie RA, Bar-or A, Banwell B, Till C. Disrupted cognitive development following pediatric acquired demyelinating syndromes: A longitudinal study. Child Neuropsychology. 2021;28:5, 649-670.

Fabri TL, O'Mahony J, Fadda G, Gur RE, Gur RC, Yeh EA, Banwell BL, Till C. (2022). Cognitive function in pediatric-onset relapsing myelin oligodendrocyte glycoprotein antibody-associated disease (MOGAD). Multiple Sclerosis and Related Disorders, Vol 59, 103689.

De Somma E, O’Mahony J, Brown RA, Brooks BL, Yeh EA, Cardenas De La Parra A, Arnold D, Collins L, Maranzano J, Narayanan S, Marrie RA, Bar-or A, Banwell B, Till C. (2021). Disrupted cognitive development following pediatric acquired demyelinating syndromes: A longitudinal study, Child Neuropsychology, in press.

Fabri T, Datta R, O’Mahony J, Barlow-Krelina E, De Somma E, Longoni G, Gur RE, Gur RC, Bacchus M, Yeh AE, Banwell B, Till C. (2021). Memory, processing of emotional stimuli and volume of limbic structures in pediatric-onset multiple sclerosis, NeuroImage: Clinical, Vol. 31, 102753.


​Barlow-Krelina E, Fabri TL, O’Mahony J, Gur RC, Gur RE, De Somma E, Bolongaita L, Yeh EH, Marrie RA, Bar-Or A, Banwell BL, Till C on behalf of the Canadian Pediatric Demyelinating Disease Network. (2021). Examining cognitive speed and accuracy dysfunction in youth and young adults with pediatric-onset multiple sclerosis using a computerized neurocognitive battery. Neuropsychology, 35(4):388-398.


Barlow-Krelina E, Chen Y, Yasui Y, Till C, Gibson TM, Ness KK, Leisenring WM, Howell RM, Nathan PC, Oeffinger KC, Robinson LL, Armstrong GT, Krull KR, Edelstein K.(2020). Consistent physical activity predicts neurocognitive outcomes in adult survivors of childhood cancers: A report from the Childhood Cancer Survivor Study. Journal of Clinical Oncology, 38(18), 2041-2052.


​Marrie RA, O’Mahony J, Maxwell C, Ling V, Till C, Barlow-Krelina E, Yeh EA, Arnold DL, Bar-Or A, Banwell B for the Canadian Demyelinating Disease Network. (2020).  Factors associated with health care utilization in pediatric multiple sclerosis. Multiple Sclerosis & Related Disorders, 38: 101511.


​Barlow-Krelina E, Turner GR, Akbar N, Banwell B, Lysenko M, Yeh EA., Narayanan S, Collins LD., Aubert-Broche B, & Till C. (2019). Enhanced recruitment during executive control processing in cognitively preserved patients with pediatric-onset multiple sclerosis. Journal of the International Neuropsychological Society, 25(4):432-442.


Green R, Till C, Al-Hakeem H, Cribbie R, Tellez-Rojo MM, Osorio E, Hu H, Schnass L. (2018).  Assessment of neuropsychological performance in Mexican youth using the Cambridge Neuropsychological Test Automated Battery (CANTAB), Journal of Experimental and Clinical Neuropsychology, 1-11.


Green R, Adler A, Banwell BL, Fabri TL, Yeh EA, Collins DL, Sled JG, Narayanan S, Till C. (2017). Involvement of the amygdala in memory and psychosocial functioning in pediatric-onset multiple sclerosis. Developmental Neuropsychology, 43(6): 524-534.


Maranzano J, Till C, Assemlal H, Fonov V, Brown R, Collins D.L., Banwell B, Arnold D.L., Narayanan S. (2017). Cortical lesions in pediatric-onset multiple sclerosis: Incidence using multimodal MRI and correlation with upper limb dexterity.  Multiple Sclerosis Journal, Article first published online: June 1, 2018.


Till C, Kuni B, De Somma E, Yeh A, Banwell B. (2017). A feasibility study of working memory training for individuals with pediatric onset multiple sclerosis.  Neuropsychological Rehabilitation, Sept 18: 1-16.


Akbar N, Signori A, Amato MP, Sormani MP, Portaccio E, Niccolai C, Goretti B, Till C, Banwell B. (2017) Maturational trajectory of processing speed performance in pediatric multiple sclerosis, Developmental Neuropsychology, 42(5): 299-308.


Sadeghi M, Barlow-Krelina E, Gibbons C, Shaikh K, Fung WLA, Meschino W, Till C.  (2017). A feasibility study of working memory training for individuals with Huntington Disease. PLoS ONE, 12(4): e0176429.


Bigi S, Marie RA, Till C, Yeh EA, Akbar N, Feinstein A, Banwell  B. (2017). The computer-based Symbol Digit Modalities Test:  Establishing age-expected performance in healthy controls and evaluation of pediatric MS patients. Neurological Sciences, 38(4):635-642.


Grover SA, Sawicki CP, Kinnett-Hopkins D, Finlayson M, Schneiderman JE, Banwell B, Till C, Motl RW, Yeh A. (2016). Physical activity and its correlates in youth with multiple sclerosis. The Journal of Pediatrics, 179, 197-203.


Amato MP, Krupp LB, Charvet LE, Penner I-K, Till C. (2016). Pediatric multiple sclerosis: Cognition and mood. Neurology, 87: S82-87.


Till C, Nogeura A, Verhey LH, O’Mahony J, Yeh A, Mah J, Sinopoli KJ, Brooks BL, Aubert-Broche B, Collins DL, Narayana S, Arnold D, Banwell BL. (2016).

Cognitive and behavioral functioning in childhood acute demyelinating syndromes. Journal of International Neuropsychological Society,22, 1050-60.


Akbar N, Giorgio A, Till C, Sled JG, Doesburg SM, De Stefano N, Banwell B. (2016). Alterations in functional and anatomical connectivity in pediatric-onset multiple sclerosis, PLOS ONE, 11(1): e0145906.


​Weier W, Till C, Yeh EA, Fonov V, Arnold DL, Banwell B, Collins L. (2016). Contribution of the cerebellum to cognitive performance in children and adolescents with multiple sclerosis.  Multiple Sclerosis Journal, 22(5):599-607.