Gladys Block

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Gladys Block is a nutrition researcher who worked at the National Cancer Institute.

Education and career[edit]

From July 1991 onward, Block worked at the University of California, Berkeley as a professor (and subsequently professor emerita) of Community Health and Human Development in the School of Public Health.[1][2]



In 1992, Block's review of 15 epidemiological studies on cancer rates and intake of Vitamin C was mentioned in the New York Times.[3]

Block has been cited in media coverage of the debate around the efficacy of dietary multivitamin supplements in combating health risks including the risk of cancer, obesity, diabetes, heart disease, and hypertension. Others taking a similar position as Block (in favor of dietary supplements) include Harvard professor Walter Willett (designer of the Harvard FFQ), researcher Bruce N. Ames, and Michael Jacobson of the Center for Science in the Public Interest. Those on the other side include Marion Nestle, Joan Gussow, Catherine Wotecki, Walter Mertz, and Edgar Miller.[4][5][6]

Variety in diet[edit]

Block has led research on the variety in people's diet and its effects on people's nutrient consumption and health status.[7] She has been cited on the subject in the New York Times.[8]


  1. ^ "Gladys Block PhD". School of Public Health, University of California, Berkeley. Retrieved October 25, 2016.
  2. ^ "Gladys Blcock: Expert Profile". Center for Health Journalism. Retrieved October 25, 2016.
  3. ^ "Vitamins Win Support as Potent Agents of Health". New York Times. March 10, 1992. Retrieved October 25, 2016.
  4. ^ Burros, Marian (April 14, 1993). "Eating Well". New York Times. Retrieved October 25, 2016.
  5. ^ "Eating Well". New York Times. April 20, 1994. Retrieved October 25, 2016.
  6. ^ Kounang, Nadia (December 17, 2013). "Are multivitamins a waste of money? Editorial in medical journal says yes". CNN. Retrieved October 24, 2016.
  7. ^ Kant, AK; Schatzkin, A; Harris, TB; Ziegler, RG; Block, Gladys (March 1, 1993). "Dietary diversity and subsequent mortality in the First National Health and Nutrition Examination Survey Epidemiologic Follow-up Study". American Journal of Clinical Nutrition. 57 (3): 434–440. PMID 8382446.
  8. ^ Hall, Trish (April 1, 1992). "Same Old Dinner, Same Old Lunch: Most People Like It That Way". New York Times. Retrieved October 25, 2016.