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Krista Varady

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From Wikipedia, the free encyclopedia
Krista Varady
Born
Guelph, Ontario, Canada
EducationUniversity of Guelph (BS)

McGill University (PhD)

University of California, Berkeley (Postdoc)
OccupationProfessor of Nutrition
Known forResearch on Intermittent Fasting
Websitehttps://ahs.uic.edu/profiles/varady-krista/

Krista A. Varady is a Canadian-American scientist known for her studies of intermittent fasting on chronic disease risk in human subjects.[1][2][3][4][5][6][7][8] Varady was one of the first scientists to study intermittent fasting in humans.[4] She is a professor of nutrition at the University of Illinois Chicago (UIC) in the department of Kinesiology and Nutrition.[9] She also serves as the director of the Human Nutrition Research Center at UIC.[9] Her work is primarily funded by the National Institutes of Health.[10] She is also the co-author of two books about intermittent fasting for the general public, titled The Every Other Day Diet and The Fastest Diet.[11]

Education

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Varady completed her Bachelor's degree in dietetics at the University of Guelph.[9] She then attended McGill University, where she completed her PhD in human nutrition. Her PhD dissertation examined the effects of plant sterols combined with exercise on cholesterol metabolism.[12] After her PhD, she joined the laboratory of Marc Hellerstein at the University of California, Berkeley, to study intermittent fasting.[9]

Research Contributions

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Alternate day fasting studies

Krista Varady has conducted clinical research on alternate day fasting (ADF) as an approach to weight management.[13][14][15] Her randomized trials have examined ADF's effects on body weight, body composition, cardiovascular risk, and diabetes risk factors in adults with obesity.[16] In addition, her research has compared the efficacy of ADF to daily calorie restriction for weight loss.[13]

Time restricted eating studies

Varady's research has also investigated time-restricted eating (TRE) as an alternative to conventional calorie restriction diets for weight management.[17][18] Her randomized clinical trials have examined eating windows ranging from approximately 4 to 8 hours. Her work found that TRE can promote weight loss, in part, through spontaneous reductions in energy intake, without requiring calorie counting.[19] Her work has also investigated the effects of TRE in adults with obesity, diabetes,[20][21] and polycystic ovary syndrome (PCOS).[22]

Honors

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In 2025, she received the Blackburn Award for Excellence in obesity medicine, from the Obesity Society.[23] In 2024, she received the E.V. McCollum Award from the American Society of Nutrition.[24] In 2023 she received the University of Illinois Chicago, Distinguished Researcher of the Year in the Clinical Sciences Award,[25] and in 2017 she received the Mead Johnson Young Investigator Award from the American Society for Nutrition for her work in intermittent fasting.[26][27]

Works

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  • Varady, Krista; Gottlieb, Bill (2013). The Every Other Day Diet: the diet that lets you eat all you want (half the time) and keep the weight off. New York, NY: Hyperion. ISBN 978-0-316-33058-9. OCLC 865473722.
  • Black, Victoria; Davidson, Gen; Varady, Krista (November 28, 2023). The Fastest Diet. Macmillan. ISBN 978-1-76126-332-3. OCLC 1402181219.

References

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  1. ↑ Bakalar, Nicholas (July 27, 2020). "Intermittent Fasting May Aid Weight Loss". The New York Times. ISSN 0362-4331. Retrieved March 29, 2022.
  2. ↑ O’Connor, Anahad (September 28, 2020). "A Potential Downside of Intermittent Fasting". The New York Times. ISSN 0362-4331. Retrieved March 29, 2022.
  3. ↑ Martin, Crystal (November 23, 2019). "What Is Intermittent Fasting and Does It Really Work?". The New York Times. ISSN 0362-4331. Retrieved March 29, 2022.
  4. 1 2 Hamblin, James (January 23, 2014). "The New Way to Love Food". The Atlantic. Retrieved March 29, 2022.
  5. ↑ Wallis, Claudia (September 1, 2020). "How Good a Diet Is Intermittent Fasting?". Scientific American.
  6. ↑ "Intermittent fasting and why when you eat makes a difference". Washington Post. ISSN 0190-8286. Retrieved March 29, 2022.
  7. ↑ "In a 24/7 food culture, periodic fasting gains followers". AP NEWS. January 4, 2020. Retrieved March 29, 2022.
  8. ↑ Reddy, Sumathi (December 31, 2017). "A Diet Strategy That Counts Time, Not Calories". Wall Street Journal. ISSN 0099-9660. Retrieved March 29, 2022.
  9. 1 2 3 4 "Krista Varady". ahs.uic.edu. Retrieved March 29, 2022.
  10. ↑ "RePORT ⟩ RePORTER". reporter.nih.gov. Retrieved March 29, 2022.
  11. ↑ The Every Other Day Diet. April 25, 2019. ISBN 978-1-4447-8013-0.
  12. ↑ Varady, Krista A; Ebine, Naoyuki; Vanstone, Catherine A; Parsons, William E; Jones, Peter JH (November 1, 2004). "Plant sterols and endurance training combine to favorably alter plasma lipid profiles in previously sedentary hypercholesterolemic adults after 8 wk". The American Journal of Clinical Nutrition. 80 (5): 1159–1166. doi:10.1093/ajcn/80.5.1159. ISSN 0002-9165. PMID 15531661.
  13. 1 2 Trepanowski, John F.; Kroeger, Cynthia M.; Barnosky, Adrienne; Klempel, Monica C.; Bhutani, Surabhi; Hoddy, Kristin K.; Gabel, Kelsey; Freels, Sally; Rigdon, Joseph; Rood, Jennifer; Ravussin, Eric; Varady, Krista A. (July 1, 2017). "Effect of Alternate-Day Fasting on Weight Loss, Weight Maintenance, and Cardioprotection Among Metabolically Healthy Obese Adults: A Randomized Clinical Trial". JAMA Internal Medicine. 177 (7): 930–938. doi:10.1001/jamainternmed.2017.0936. ISSN 2168-6106. PMC 5680777.
  14. ↑ Ezpeleta, Mark; Gabel, Kelsey; Cienfuegos, Sofia; Kalam, Faiza; Lin, Shuhao; Pavlou, Vasiliki; Song, Zhenyuan; Haus, Jacob M.; Koppe, Sean; Alexandria, Shaina J.; Tussing-Humphreys, Lisa; Varady, Krista A. (January 3, 2023). "Effect of alternate day fasting combined with aerobic exercise on non-alcoholic fatty liver disease: A randomized controlled trial". Cell Metabolism. 35 (1). Elsevier: 56–70.e3. doi:10.1016/j.cmet.2022.12.001. ISSN 1550-4131. PMC 9812925. PMID 36549296.
  15. ↑ Fuchs, Matt (December 9, 2024). "Is Intermittent Fasting Good or Bad for You?". TIME. Retrieved September 21, 2026.
  16. ↑ magazine, Nic Fleming, Nature. "Does Intermittent Fasting Improve Health beyond Weight Loss?". Scientific American. Retrieved September 21, 2026.{{cite web}}: CS1 maint: multiple names: authors list (link)
  17. ↑ Lin, Shuhao; Cienfuegos, Sofia; Ezpeleta, Mark; Gabel, Kelsey; Pavlou, Vasiliki; Mulas, Andrea; Chakos, Kaitie; McStay, Mara; Wu, Jackie; Tussing-Humphreys, Lisa; Alexandria, Shaina J.; Sanchez, Julienne; Unterman, Terry; Varady, Krista A. (July 18, 2023). "Time-Restricted Eating Without Calorie Counting for Weight Loss in a Racially Diverse Population". Annals of Internal Medicine. 176 (7). American College of Physicians: 885–895. doi:10.7326/M23-0052. ISSN 0003-4819. PMC 11192144. PMID 37364268.
  18. ↑ W; i; l; l; S; t; o; n; e (June 26, 2023). "Intermittent fasting found as effective for long-term weight loss as counting calories". NPR. Retrieved September 21, 2026.
  19. ↑ Ezpeleta, Mark; Gabel, Kelsey; Cienfuegos, Sofia; Kalam, Faiza; Lin, Shuhao; Pavlou, Vasiliki; Song, Zhenyuan; Haus, Jacob M.; Koppe, Sean; Alexandria, Shaina J.; Tussing-Humphreys, Lisa; Varady, Krista A. (January 3, 2023). "Effect of alternate day fasting combined with aerobic exercise on non-alcoholic fatty liver disease: A randomized controlled trial". Cell Metabolism. 35 (1). Elsevier: 56–70.e3. doi:10.1016/j.cmet.2022.12.001. ISSN 1550-4131. PMC 9812925. PMID 36549296.
  20. ↑ Pavlou, Vasiliki; Cienfuegos, Sofia; Lin, Shuhao; Ezpeleta, Mark; Ready, Kathleen; Corapi, Sarah; Wu, Jackie; Lopez, Jason; Gabel, Kelsey; Tussing-Humphreys, Lisa; Oddo, Vanessa M.; Alexandria, Shaina J.; Sanchez, Julienne; Unterman, Terry; Chow, Lisa S. (October 27, 2023). "Effect of Time-Restricted Eating on Weight Loss in Adults With Type 2 Diabetes: A Randomized Clinical Trial". JAMA Network Open. 6 (10): e2339337. doi:10.1001/jamanetworkopen.2023.39337. ISSN 2574-3805. PMC 10611992.
  21. ↑ W; i; l; l; S; t; o; n; e (October 27, 2023). "Popular for weight loss, intermittent fasting may help with diabetes too". NPR. Retrieved September 21, 2026.
  22. ↑ Corapi, Sarah; Runchey, Mary-Claire; Lyons, Jodie; Alonso de Leon, Maria; Pavlou, Vasiliki; Lin, Shuhao; Ezpeleta, Mark; Gabel, Kelsey; Tussing-Humphreys, Lisa; Oddo, Vanessa M.; Alexandria, Shaina J.; Sanchez, Julienne; Vidmar, Alaina P.; Varady, Krista A.; Cienfuegos, Sofia (2026-06). "Time-restricted eating for body weight management in women with polycystic ovary syndrome: a randomized controlled trial". Nature Medicine. 32 (6). Nature Publishing Group: 2155–2163. doi:10.1038/s41591-026-04316-7. ISSN 1546-170X. {{cite journal}}: Check date values in: |date= (help)
  23. ↑ "Krista Varady receives the prestigious Blackburn Award from the Obesity Society for her work in intermittent fasting | Inside AHS | University of Illinois Chicago". Retrieved September 21, 2026.
  24. ↑ "Award Honorees – American Society for Nutrition". nutrition.org. Retrieved September 21, 2026.
  25. ↑ "Krista Varady named 2023 UIC Distinguished Researcher of the Year in the Clinical Sciences". ahs.uic.edu. Retrieved September 15, 2023.
  26. ↑ "Krista Varady receives 2017 Mead Johnson Award". ahs.uic.edu. Retrieved March 29, 2022.
  27. ↑ American Society for Nutrition (March 28, 2022). "American Society for Nutrition Awards Prior Recipients" (PDF). Retrieved March 28, 2022.
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