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Caitlin G Howe, PhD

Assistant Professor of Epidemiology

Additional Titles/Positions/Affiliations:
Adjunct Research Assistant Professor (University of Southern California)


Columbia University (PhD), 2016
Pomona College (BA), 2009

Quantitative Biomedical Sciences

Contact Information:

1 Medical Center Drive
Lebanon NH 03766


Professional Interests:

Dr. Howe’s research focuses on toxic metal exposures and their impacts on maternal and child health, with a particular interest in effects on early life growth and cardiometabolic health. Additional areas of interest include epigenetic mediators of toxicant exposures and metals toxicity in the context of nutritional status and complex environmental mixtures.

Grant Information:

Prenatal Metal Mixtures, Fetal Growth, and the Role of MicroRNAs (NIEHS)


Professor Howe received her BA in 2009 from Pomona College, with a major in Biology and a minor in Spanish. After graduating, she worked at Fox Chase Cancer Center in an ovarian cancer research lab. She subsequently pursued a PhD in Environmental Health Sciences at Columbia University's Mailman School of Public Health. After receiving her PhD in 2016, she completed a postdoctoral research fellowship in the Department of Preventive Medicine at the University of Southern California. In 2020, she was appointed to the faculty at the Geisel School of Medicine.

Selected Publications:


Extracellular vesicle-enriched miRNA profiles across pregnancy in the MADRES cohort.
Foley HB, Howe CG, Eckel SP, Chavez T, Gevorkian L, Reyes EG, Kapanke B, Martinez D, Xue S, Suglia SF, Bastain TM, Marsit C, Breton CV
PLoS One. 2021;16(5):e0251259. doi: 10.1371/journal.pone.0251259. Epub 2021 May 12.
PMID: 33979365

Exposure to metal mixtures in relation to blood pressure among children 5-7 years old: An observational study in Bangladesh.
Shih YH, Howe CG, Scannell Bryan M, Shahriar M, Kibriya MG, Jasmine F, Sarwar G, Graziano JH, Persky VW, Jackson B, Ahsan H, Farzan SF, Argos M
Environ Epidemiol. 2021 Apr;5(2):e135. doi: 10.1097/EE9.0000000000000135. Epub 2021 Feb 11.
PMID: 33778363

Associations of metals and neurodevelopment: a review of recent evidence on susceptibility factors.
Bauer JA, Fruh V, Howe CG, White RF, Henn BC
Curr Epidemiol Rep. 2020 Dec;7(4):237-262. doi: 10.1007/s40471-020-00249-y. Epub 2020 Oct 30.
PMID: 33777647

Extracellular vesicle microRNA in early versus late pregnancy with birth outcomes in the MADRES study.
Howe CG, Foley HB, Kennedy EM, Eckel SP, Chavez TA, Faham D, Grubbs BH, Al-Marayati L, Lerner D, Suglia S, Bastain TM, Marsit CJ, Breton CV
Epigenetics. 2021 Mar 18;:1-17. doi: 10.1080/15592294.2021.1899887. Epub 2021 Mar 18.
PMID: 33734019

Prenatal metal mixtures and child blood pressure in the Rhea mother-child cohort in Greece.
Howe CG, Margetaki K, Vafeiadi M, Roumeliotaki T, Karachaliou M, Kogevinas M, McConnell R, Eckel SP, Conti DV, Kippler M, Farzan SF, Chatzi L
Environ Health. 2021 Jan 6;20(1):1. doi: 10.1186/s12940-020-00685-9. Epub 2021 Jan 6.
PMID: 33407552

Prenatal Metal Mixtures and Birth Weight for Gestational Age in a Predominately Lower-Income Hispanic Pregnancy Cohort in Los Angeles.
Howe CG, Claus Henn B, Eckel SP, Farzan SF, Grubbs BH, Chavez TA, Hodes TL, Faham D, Al-Marayati L, Lerner D, Quimby A, Twogood S, Richards MJ, Meeker JD, Bastain TM, Breton CV
Environ Health Perspect. 2020 Nov;128(11):117001. doi: 10.1289/EHP7201. Epub 2020 Nov 3.
PMID: 33141601

Prenatal metal mixtures and fetal size in mid-pregnancy in the MADRES study.
Howe CG, Claus Henn B, Farzan SF, Habre R, Eckel SP, Grubbs BH, Chavez TA, Faham D, Al-Marayati L, Lerner D, Quimby A, Twogood S, Richards MJ, Meeker JD, Bastain TM, Breton CV
Environ Res. 2021 May;196:110388. doi: 10.1016/j.envres.2020.110388. Epub 2020 Oct 28.
PMID: 33129852

Prenatal and postnatal mercury exposure and blood pressure in childhood.
Farzan SF, Howe CG, Chen Y, Gilbert-Diamond D, Korrick S, Jackson BP, Weinstein AR, Karagas MR
Environ Int. 2021 Jan;146:106201. doi: 10.1016/j.envint.2020.106201. Epub 2020 Oct 28.
PMID: 33129000

Betaine and choline status modify the effects of folic acid and creatine supplementation on arsenic methylation in a randomized controlled trial of Bangladeshi adults.
Bozack AK, Howe CG, Hall MN, Liu X, Slavkovich V, Ilievski V, Lomax-Luu AM, Parvez F, Siddique AB, Shahriar H, Uddin MN, Islam T, Graziano JH, Gamble MV
Eur J Nutr. 2021 Jun;60(4):1921-1934. doi: 10.1007/s00394-020-02377-z. Epub 2020 Sep 11.
PMID: 32918135

Demographic predictors of urinary arsenic in a low-income predominantly Hispanic pregnancy cohort in Los Angeles.
Farzan SF, Howe CG, Chavez TA, Hodes TL, Johnston JE, Habre R, Dunton G, Bastain TM, Breton CV
J Expo Sci Environ Epidemiol. 2021 Feb;31(1):94-107. doi: 10.1038/s41370-020-0251-1. Epub 2020 Jul 27.
PMID: 32719440

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