Explore research, evaluation findings, and success stories from CalFresh Healthy Living, UC on nutrition, physical activity, gardening, and healthy communities.
Publications are grouped by topic so you can go straight to the area you work in. Each section pairs peer-reviewed research with practical summaries and stories from the field. Every publication appears in one topic area only.
New to SNAP-Ed Research?
These publications give the clearest overview of what the program is, what it does, and how its impact is measured.
- Peer-Reviewed Research
Keller, K. J. M., Bruno, P., Foerster, S., & Draper, C. (2024). Thirty years of SNAP-Ed: The transition of the nation’s largest nutrition education program into a pillar of the public health infrastructure. Journal of Nutrition Education and Behavior, 56(8), 588–596. https://doi.org/10.1016/j.jneb.2024.03.011
Naja-Riese, A., Keller, K. J. M., Bruno, P., Foerster, S. B., Puma, J., Whetstone, L., MkNelly, B., Cullinen, K., Jacobs, L., & Sugerman, S. (2019). The SNAP-Ed Evaluation Framework: Demonstrating the impact of a national framework for obesity prevention in low-income populations. Translational Behavioral Medicine, 9(5), 970–979. https://doi.org/10.1093/tbm/ibz115
Rivera, R. L., Maulding, M. K., & Eicher-Miller, H. A. (2019). Effect of Supplemental Nutrition Assistance Program–Education (SNAP-Ed) on food security and dietary outcomes. Nutrition Reviews, 77(12), 903–921. https://doi.org/10.1093/nutrit/nuz013
SNAP-Ed Background and Policy
How SNAP-Ed developed, how it is administered, and how federal and state policy shapes what the program can do.
- Peer-Reviewed Research
Bleich, S. N., Moran, A. J., Vercammen, K. A., Frelier, J. M., Dunn, C. G., Zhong, A., & Fleischhacker, S. E. (2020). Strengthening the Public Health Impacts of the Supplemental Nutrition Assistance Program Through Policy. Annual Review of Public Health, 41, 453–480. https://doi.org/10.1146/annurev-publhealth-040119-094143
George, B., & Ravola, M. (2025). The evolution of SNAP-Ed: Policy, systems and environment (PSE) interventions to enhance nutrition security and health equity in the United States. Nutrition & Food Science, 55(2), 402–422. https://doi.org/10.1108/NFS-08-2024-0278
Haldeman, L. (2025). What we have learned and continue to learn from SNAP-Ed. Journal of Nutrition Education and Behavior, 57(9), 808. https://www.jneb.org/article/S1499-4046(25)00398-7/fulltext
Leung, C. W., Hoffnagle, E. E., Lindsay, A. C., Lofink, H. E., Hoffman, V. A., Turrell, S., Willett, W. C., & Blumenthal, S. J. (2013). A qualitative study of diverse experts’ views about barriers and strategies to improve the diets and health of Supplemental Nutrition Assistance Program (SNAP) beneficiaries. Journal of the Academy of Nutrition and Dietetics, 113(1), 70–76. https://doi.org/10.1016/j.jand.2012.09.018
Pomeranz, J. L., & Chriqui, J. F. (2015). The Supplemental Nutrition Assistance Program: Analysis of program administration and food law definitions. American Journal of Preventive Medicine, 49(3), 428–436. https://doi.org/10.1016/j.amepre.2015.02.027
Prevedel, S., Nelson, C., Buys, D., Cronk, L., Duffy, V., Garden-Robinson, J., Horowitz, M., McGee, B., Reicks, M., Remley, D., & Warren, T. (2018). Cooperative Extension as a partner in creating healthy communities: An environmental scan. Journal of Human Sciences & Extension, 6(2), 26–36. https://doi.org/10.54718/DAGK1654
Remley, D., Buys, D., Cronk, L., Duffy, V., Garden-Robinson, J., Horowitz, M., McGee, B., Nelson, C., Prevedel, S., Reicks, M., & Warren, T. (2018). The role of Cooperative Extension in chronic disease prevention and management: Perspectives from professionals in the field. Journal of Human Sciences & Extension, 6(2), 15–25. https://doi.org/10.54718/OSZB3038
Rivera, R. L., Maulding, M. K., & Eicher-Miller, H. A. (2019). Effect of Supplemental Nutrition Assistance Program–Education (SNAP-Ed) on food security and dietary outcomes. Nutrition Reviews, 77(12), 903–921. https://doi.org/10.1093/nutrit/nuz013
Wu, H. W., Backman, D., & Kizer, K. W. (2017). Restructuring a state nutrition education and obesity prevention program: Implications of a local health department model for SNAP-Ed. Journal of Public Health Management and Practice, 23(1), 28–36. https://doi.org/10.1097/PHH.0000000000000457
- Related State Resource
- California’s State Nutrition Action Council (SNAC) was a state-level collaborative with representation from state agencies and nonprofits implementing USDA nutrition programs. The SNAC page hosts downloadable resources for communities.
Garden-Based Education
School and community gardens as settings for nutrition education, plus farm-to-school partnerships.
- Program Initiative One-Pager
- This one-pager provides an overview of CalFresh Healthy Living, UC's (CFHL, UC) Garden initiative, including its background and evidence base, along with a brief description of how CFHL, UC staff brought these approaches to life in communities across California. This one-pagers offer a snapshot of the approaches, strategies, and work that contributed to CFHL, UC’s impact in advancing health and well-being throughout the state.
- Peer-Reviewed Research
Guillen, M., & Soule, K. E. (2025). System mapping of farm-to-school partnerships to enhance student access to healthy, local foods. International Journal of Environmental Research and Public Health, 22, 1342. https://www.mdpi.com/1660-4601/22/9/1342
McLaughlin, C., Marrs, A., MkNelly, B. L., Keihner, A. J., Cooke, N., & Soule, K. E. (2026). A pilot study of a youth gardening retrospective survey tool: Evaluating outcomes of school-based, garden-enhanced nutrition education programs. Future, 4(2), 14. https://www.mdpi.com/2813-2882/4/2/14
Savoie-Roskos, M., Wengreen, H., & Durward, C. (2017). Increasing fruit and vegetable intake among children and youth through gardening-based interventions: A systematic review. Journal of the Academy of Nutrition and Dietetics, 117(2), 240–250. https://doi.org/10.1016/j.jand.2016.10.014
Youth Engagement and Leadership
Youth participatory action research, teens as teachers, student advisory councils, and youth-led program models.
- Program Initiative One-Pager
- This one-pager provides an overview of CalFresh Healthy Living, UC's (CFHL, UC) Youth Engagement initiative, including its background and evidence base, along with a brief description of how CFHL, UC staff brought these approaches to life in communities across California. This one-pagers offer a snapshot of the approaches, strategies, and work that contributed to CFHL, UC’s impact in advancing health and well-being throughout the state.
- Peer-Reviewed Research
Klisch, S., & Soule, K. E. (2021). 4-H student nutrition advisory councils support positive youth development and health outcomes among underserved populations. Journal of Extension, 59(3), Article 19. https://commons.joe.org/joe/vol59/iss3/19/
Meng, Y., Neelon, M., LePage, N., Louie, B., & Erbstein, N. (2023). Exploring the challenges and benefits of online youth-led nutrition programs. California Agriculture, 77(3–4), 99–105. https://doi.org/10.3733/ca.2023a0015
Worker, S., Iaccopucci, A., Bird, M., & Horowitz, M. (2019). Promoting positive youth development through meaningful contribution: A qualitative study of teenagers-as-teachers programs. Journal of Adolescent Research, 34(1), 30–54. https://doi.org/10.1177/0743558418764089
- Conference Abstracts and Papers
Hartmann, J., Meng, Y., Padasas, I., Erickson, A., Louie, B., Erbstein, N., MkNelly, B., & Khaira, K. (2026). Building youth capacity for healthier communities: A 6-year evaluation of YPAR in nutrition education [Conference abstract]. Journal of Nutrition Education and Behavior, 58(8), S268–S269. https://doi.org/10.1016/j.jneb.2026.06.182
Iaccopucci, A., Worker, S., Bird, M., & Horowitz, M. (2018, April). Exploring what teens describe as their contributions in teenagers-as-teachers programs [Paper presentation]. American Educational Research Association Annual Meeting, New York, NY. https://www.aera.net/Publications/Online-Paper-Repository/AERA-Online-Paper-Repository
Johnson, C., Meng, Y., Neelon, M., Erbstein, N., Louie, B., & Chao, D. (2020). California youth participatory action research projects illustrates the need for nutrition staff professional development [Conference abstract]. Journal of Nutrition Education and Behavior, 52(7), S85. https://www.jneb.org/article/S1499-4046(20)30360-2/fulltext
Specific Populations
Work with older adults, tribal communities, farmworker families, and other populations served through targeted partnerships.
- Peer-Reviewed Research
Horowitz, M., Kaiser, L., Aguilera, A., & Manzo, R. (2020). Influence of preschooler and parent nutrition education on carotenoid levels of Mexican-heritage children. Public Health Nutrition, 23(13). https://doi.org/10.1017/S1368980019004579
Kaiser, L., Aguilera, A., Horowitz, M., Lamp, C., Johns, M., Ontai, L., Gomez-Camacho, R., & de la Torre, A. (2015). Correlates of food patterns in young Latino children at high risk of obesity. Public Health Nutrition, 18(16). https://doi.org/10.1017/S1368980014003309
Kaiser, L., Martinez, J., Horowitz, M., Lamp, C., Johns, M., Byrnes, M., Aguilera, A., Gomez-Camacho, R., & de la Torre, A. (2015). Adaptation of a culturally relevant nutrition education program for low-income, Mexican-origin parents with young children. Preventing Chronic Disease, 12 https://doi.org/10.5888/pcd12.140591
Soule, K. E. (2026). Asset-based strengths in the CalFresh Healthy Living, California Department of Aging program. In A. Burge (Ed.), Proceedings of the 2026 Hawaii International Conference on Education (pp. 52–69). Hawaii International Conference on Education. https://hiceducation.org/wp-content/uploads/2026/04/EDU2026.pdf
- Conference Abstracts
- Nicoli, A., Mirelez, J., Ganthavorn, C. Nunez, E., Nunez, V., Carlos, C., Soule, K.E., Morreo, R., & Morreo, F. (2026). Co-capacity building with California Native communities: Partnering for health [Conference abstract]. Society for Nutrition Education and Behavior. https://sneb2026.eventscribe.net/searchGlobal.asp
Community Engagement and Partnerships
Participatory approaches, coalition and partnership work, systems mapping, and community-centered program design.
- Program Initiative One-Pager
- This one-pager provides an overview of CalFresh Healthy Living, UC's (CFHL, UC) Community Engagement initiative, including its background and evidence base, along with a brief description of how CFHL, UC staff brought these approaches to life in communities across California. This one-pagers offer a snapshot of the approaches, strategies, and work that contributed to CFHL, UC’s impact in advancing health and well-being throughout the state.
- Peer-Reviewed Research and Book Chapters
Brian, K. M., Wong, C., Lopez, M., Rojas, B., McLaughlin, C., Luquin, C., Campero, M. I., & MkNelly, B. L. (in press). Our Voice: A promising strategy for Supplemental Nutrition Assistance Program Education (SNAP-Ed). In A. C. King & M. Pedersen (Eds.), Community voices building healthier choices together: A new era of citizen science. Springer Nature.
Soule, K. E., & Quinlan, E. (in press). Advancing community-centered engagement in the CalFresh Healthy Living, Catholic Charities of California program. Family Science Review.
- Conference Abstracts
Soule, K. E., Davenport, L., Rose, C., & Marczak, M. (2026). Mapping community-centered system changes in SNAP-Ed: Results of participatory ripple effect mapping of stories from the field [Conference abstract]. Society for Nutrition Education and Behavior. https://sneb2026.eventscribe.net/searchGlobal.asp
McMurdo,T. J., Nicoli, A. M., Padasas, I., & Meng, Y. (2026). Strategies to sustain community-based direct education program delivery [Conference abstract]. (2026). Society for Nutrition Education and Behavior. https://sneb2026.eventscribe.net/searchGlobal.asp
CalFresh Healthy Living Forum Posters
Posters from the statewide CalFresh Healthy Living Forum, published in the Journal of Trauma-Informed Community Health, Nutrition, and Physical Activity.
- 2018: Building power through stories of change (Vol. 1(1), 2023)
- 2019 (Vol. 1(2), 2023)
- 2020 (Vol. 1(3), 2023)
- 2022 (Vol. 1(4), 2023)
- 2023 (Vol. 2(1), Winter 2024)
- For FFY 2025 Forum posters, see the Journal of Trauma-Informed Community Health, Nutrition, and Physical Activity.
UC Delivers
These UC Delivers articles are a collection of examples showing how CalFresh Healthy Living, UCCE made a difference in California's communities.
- New survey tool highlights promising food resource management outcomes that improve families’ food security
- Hoyos, L., & Keihner, A. (2021, November 5). New survey tool highlights promising food resource management outcomes that improve families’ food security. UC Delivers.
- CalFresh Healthy Living, UCCE San Mateo addresses food insecurity through JobTrain partnership
- Nicoli, A., Kan-Rice, P., Vollinger, M., Vollmer, L., Silvers, E., Trujillo, A., & Keihner, A. (2021, April 23). CalFresh Healthy Living, UCCE San Mateo addresses food insecurity through JobTrain partnership. UC Delivers.
- Riverside County school teachers adopt physical activity strategies for virtual classrooms after attending CalFresh Healthy Living, UCCE training
- Nicoli, A. (2021, June 11). Riverside County school teachers adopt physical activity strategies for virtual classrooms after attending CalFresh Healthy Living, UCCE training. UC Delivers.
- Farm worker families improve food resource management and healthy food preparation skills after participating in virtual workshops with CFHL, UCCE Kern and Kern 4-H Program
- Rojas, B., Keihner, A. J., & Nicoli, A. M. (2021, June 16). Farm worker families improve food resource management and healthy food preparation skills after participating in virtual workshops with CFHL, UCCE Kern and Kern 4-H Program. UC Delivers.
- Partnership with Kern County Southeast Neighborhood Partnership Family Resource Center increases families’ food security
- Rojas, B., Keihner, A. J., & Nicoli, A. M. (2021, August 26). Partnership with Kern County Southeast Neighborhood Partnership Family Resource Center increases families’ food security. UC Delivers.
Direct Education
Classroom and group nutrition education for children, adults, and families, including curriculum adaptation and food resource management.
- Program Initiative One-Pager
- This one-pager provides an overview of CalFresh Healthy Living, UC's (CFHL, UC) Direct Education initiative, including its background and evidence base, along with a brief description of how CFHL, UC staff brought these approaches to life in communities across California. This one-pagers offer a snapshot of the approaches, strategies, and work that contributed to CFHL, UC’s impact in advancing health and well-being throughout the state.
- Peer-Reviewed Research
Caldwell, J. I., Kuo, T., Shah-Patel, D., & Cohen, D. A. (2021). Health behavior changes among adults in the Supplemental Nutrition Assistance Program Education, Los Angeles County, California. Preventing Chronic Disease, 18, 210221. https://doi.org/10.5888/pcd18.210221
Chaidez, V., Kaiser, L., Algert, S., Horowitz, M., Martin, A., Mendoza, C., Neelon, M., & Ginsburg, D. (2015). Food resource management education with SNAP participation improves food security. Journal of Nutrition Education and Behavior, 47(4), 374–378. https://www.jneb.org/article/S1499-4046(15)00052-4/abstract
Ganthavorn, C., Neelon, M., Price N. & McMurdo, T. (2023). Hybrid Home-Based Nutrition Education Is an Effective Alternative to In-Person Delivery. Journal of Nutrition Education and Behavior, 55 (10), Elsevier, https://doi.org/10.1016/j.jneb.2023.07.002.
Kaiser, L., McMurdo, T., & Joy, A. B. (2007). The Food Stamp Nutrition Education Program Focuses on the Learner. Journal of Extension, 45(2), Article 14. https://doi.org/10.66752/1077-5315.4230.
Nicoli, A., Ganthavorn, C., Mendoza, C., Martin, A., Neelon, M., & Kaiser, L. (2016). A qualitative evaluation of UC CalFresh Plan, Shop, Save, Cook curriculum reveals additional outcomes. California Agriculture, 70(2). https://doi.org/10.3733/ca.v070n02p83
School Nutrition and Healthy School Food
School-based interventions, the Shaping Healthy Choices Program, cafeteria environment changes, and policy, systems, and environmental work in schools.
- Program Initiative One-Pager
- This one-pager provides an overview of CalFresh Healthy Living, UC's (CFHL, UC) Healthy School Food initiative, including its background and evidence base, along with a brief description of how CFHL, UC staff brought these approaches to life in communities across California. This one-pagers offer a snapshot of the approaches, strategies, and work that contributed to CFHL, UC’s impact in advancing health and well-being throughout the state.
- Peer-Reviewed Research
Bergman, J. J., Linnell, J. D., Scherr, R. E., Ginsburg, D. C., Brian, K. M., Carter, R., Donohue, S., Klisch, S., Lawry-Hall, S., Pressman, J., Soule, K. E., & Zidenberg-Cherr, S. (2018). Feasibility of implementing a school nutrition intervention that addresses policies, systems, and environment. Journal of Extension, 56(1). https://doi.org/10.34068/joe.56.01.22
Klisch, S., & Soule, K. E. (2024). Schools as hubs of health: A comprehensive Supplemental Nutrition Assistance Program–Education model for promoting wellness in low-income communities. Children, 11, 525. https://doi.org/10.3390/children11050525
Linares, A., Hewawitharana, S. C., Plank, K., Rider, C. D., Woodward-Lopez, G., & Brown, M. W. (2025). Student and school characteristics modify the impact of SNAP-Ed on student dietary and physical activity outcomes. Public Health Nutrition, 28(1), 143. https://doi.org/10.1017/S136898002510092X
Radtke, M., Gerdes, M., Jones, A., Keihner, A., MkNelly, B., Singh-Khaira, K., & Scherr, R. (2024). The Shaping Healthy Choices Program: Improving the impact through community partnerships. California Agriculture, 78(1). https://doi.org/10.3733/001c.94462
Ruiz, L., Brian, K., & Scherr, R. (2020). Lessons learned: Implementing the Shaping Healthy Choices Program with teenagers as teachers. Journal of Youth Development, 15(5), Article 3. https://doi.org/10.5195/jyd.2020.761
Scherr, R. E., Jones, A. M., Colorafi, R., Klisch, S., Linnell, J. D., & Soule, K. E. (2020). Assessing the effectiveness of an extender model partnership in implementing a multicomponent, school-based nutrition intervention. Health Promotion Practice, 22(6), 890–898. https://doi.org/10.1177/1524839920920305
Scherr, R. E., Linnell, J. D., Dharmar, M., Beccarelli, L. M., Bergman, J. J., Briggs, M., Brian, K. M., Feenstra, G., Hillhouse, J. C., Keen, C. L., Ontai, L. L., Schaefer, S. E., Smith, M. H., Spezzano, T., Steinberg, F. M., Sutter, C., Young, H. M., & Zidenberg-Cherr, S. (2017). A multicomponent, school-based intervention, the Shaping Healthy Choices Program, improves nutrition-related outcomes. Journal of Nutrition Education and Behavior, 49(5), 368–379. https://doi.org/10.1016/j.jneb.2016.12.007
- Conference Abstracts
Bergman, J., Linnell, J., Ginsburg, D., Scherr, R., Brian, K., Carter, R., Donohue, S., Hoyos, L., Klisch, S., Lawry-Hall, S., Martin, A., Pressman, J., Soule, K., West, W., & Zidenberg-Cherr, S. (2016). Adapting, implementing, and assessing the impact of the Shaping Healthy Choices Program through UC CalFresh partnerships [Conference abstract]. The FASEB Journal, 30(1 Suppl.), 897.1. https://doi.org/10.1096/fasebj.30.1_supplement.897.1
Gerdes, M. A., Jones, A. M., Linnell, J. D., Bergman, J. J., Slattery, C., Ginsburg, D. C., Brian, K. M., Ganthavorn, C., Klisch, S., Lawry-Hall, S., Martin, A., Pressman, J. M., Soule, K. E., Srivastava, D., Scherr, R. E., & Zidenberg-Cherr, S. (2018). Progression through partnership: Adaptation of the Shaping Healthy Choices Program through partnership with UC CalFresh [Conference abstract]. Current Developments in Nutrition, 2(11), P18-028. https://doi.org/10.1093/cdn/nzy048
Soule, K. E., & Klisch, S. (2016). Schools as hubs of health: A case study of comprehensive nutrition education program delivery [Conference abstract]. Journal of Nutrition Education and Behavior, 48(7S), S31. https://www.jneb.org/article/S1499-4046(16)30195-6/pdf
Physical Activity
Campaigns and interventions promoting physical activity alongside fruit and vegetable intake, primarily with elementary-age students.
- Program Initiative One-Pager
- This one-pager provides an overview of CalFresh Healthy Living, UC's (CFHL, UC) Physical Activity initiative, including its background and evidence base, along with a brief description of how CFHL, UC staff brought these approaches to life in communities across California. This one-pagers offer a snapshot of the approaches, strategies, and work that contributed to CFHL, UC’s impact in advancing health and well-being throughout the state.
- Peer-Reviewed Research
Keihner, A., Meigs, R., Sugerman, S., Backman, D., Garbolino, T., & Mitchell, P. (2011). The Power Play! Campaign’s School Idea & Resource Kits improve the determinants of fruit and vegetable intake and physical activity among fourth- and fifth-grade children. Journal of Nutrition Education and Behavior, 43(4 Suppl. 2), S122–S129. https://pubmed.ncbi.nlm.nih.gov/21683281/
Keihner, A., Mitchell, P. R., Kitzmann, C., Sugerman, S., & Foerster, S. B. (2009). Psychosocial, socioeconomic, behavioral, and environmental risk factors for BMI and overweight among 9- to 11-year-old children. Californian Journal of Health Promotion, 7(Special Issue: Obesity Prevention), 99–118. https://cjhp.scholasticahq.com/article/93379
Keihner, A., Rosen, N., Wakimoto, P., Goldstein, L., Sugerman, S., Hudes, M., Ritchie, L., & McDevitt, K. (2017). Impact of California Children’s Power Play! campaign on fruit and vegetable intake and physical activity among fourth- and fifth-grade students. American Journal of Health Promotion, 31(3), 189–191. https://doi.org/10.4278/ajhp.141125-ARB-592
Measurement and Evaluation Methods
Evaluation frameworks, survey instruments, and measurement tools for practitioners assessing their own programs.
- Peer-Reviewed Research
Bailey, R. L., Seguin-Fowler, R., Stover, P. J., Scott-Pierce, M., Racine, E. F., Eicher-Miller, H. A., Penrod, N., & Fischer, B. L. (2025). Effectiveness evaluation of national nutrition education programmes must be a priority to safeguard nutrition security. Nature Food, 6(5), 419–422. https://doi.org/10.1038/s43016-025-01164-5
Burke, M. P., Gleason, S., Singh, A., & Wilkin, M. K. (2022). Policy, systems, and environmental change strategies in the Supplemental Nutrition Assistance Program–Education (SNAP-Ed). Journal of Nutrition Education and Behavior, 54(4), 320–326. https://doi.org/10.1016/j.jneb.2021.09.008
Jones, A., Keihner, A., Mills, M., MkNelly, B., Khaira, K., Pressman, J., & Scherr, R. (2021). Measuring skin carotenoids using reflection spectroscopy in a low-income school setting. Nutrients, 13, 3796. https://pmc.ncbi.nlm.nih.gov/articles/PMC8618146/
Naja-Riese, A., Keller, K. J. M., Bruno, P., Foerster, S. B., Puma, J., Whetstone, L., MkNelly, B., Cullinen, K., Jacobs, L., & Sugerman, S. (2019). The SNAP-Ed Evaluation Framework: Demonstrating the impact of a national framework for obesity prevention in low-income populations. Translational Behavioral Medicine, 9(5), 970–979. https://doi.org/10.1093/tbm/ibz115
Neelon, M., Brian, K., Iaccopucci, A. M., Lewis, K. M., & Worker, S. M. (2017). Development of a health survey instrument for 5- to 8-year-old youths. Journal of Extension, 55(1), Article 2. https://doi.org/10.34068/joe.55.01.02