In 2022, DOR celebrates 60 years of innovative health research.

The Kaiser Permanente Division of Research conducts, publishes, and disseminates epidemiologic and health services research to improve the health and medical care of Kaiser Permanente members and society at large. We seek to understand the determinants of illness and well-being and to improve the quality and cost-effectiveness of health care. DOR’s 600-plus staff is currently working on more than 580 epidemiological and health services research projects. Read our story or watch our video of how it all began and learn even more from our interactive anniversary timeline.

Asian woman staring off into the distance

Low-fat Diets Alone Offer Slim Benefits for Women

WHI & Low-fat Diets Oakland, Calif. Tuesday, February 7, 2006 - Following a diet lower in total fat, without making any other lifestyle changes, did not significantly reduce the risk of breast cancer, heart disease and stroke, and did not…

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woman taking blood pressure

Losing Weight Could Prevent Deadly Kidney Disease

Kidney Disease Oakland, Calif. January 3, 2006 - If you are one of the millions of Americans who are vowing to lose weight in 2006 a new study by researchers at Kaiser Permanente could help offer you some extra incentive.…

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Nurse holding newborn

Pacifier Use Could Cut Crib Deaths by 90 Percent

Pacifiers and SIDS Kaiser Permanente study provides new hope for SIDS risk Oakland, Calif. December 8, 2005. Using a pacifier during sleep can reduce a baby’s risk of Sudden Infant Death Syndrome or SIDS, by more than 90 percent. That’s…

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female doctor working on computer

Kaiser Permanente Research: Computers in Exam Room Help Patient and Doctor Communicate

Computers and Communication Patients’ satisfaction with doctors’ care higher after introduction of computers Oakland, CA and Portland, OR June 5, 2005—Researchers with Kaiser Permanente find patients are more satisfied with their care and communicate better with their doctors when computers…

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Male doctor and male patient

Obesity in Middle Age Increase Risk of Dementia Later in Life

Obesity and Dementia OAKLAND, Calif., April 27, 2005 – Obesity has long been known to increase the risk of a number of diseases, including diabetes, stroke, insulin resistance and hypertension. This same obesity in mid life may also have damaging…

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Doctor on laptop

Kaiser Permanente Research: Study of Early Stage Breast Cancer Patients Identifies Women at Low Risk of Breast Cancer Mortality

21-gene test predicts mortality risk in epidemiological study. SAN ANTONIO – December 9, 2004, Kaiser Permanente researchers are presenting results of a large epidemiologic study of a unique breast cancer test at the 27th Annual San Antonio Breast Cancer Symposium.…

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Mature woman smiling

Kaiser Permanente Researchers Will Evaluate Whether Lifestyle Changes Improve Prognosis for Women With Breast Cancer

Breast Cancer OAKLAND, Calif., November 8, 2004 Researchers at Kaiser Permanente have received a $10 million grant to study whether lifestyle factors such as diet, exercise and use of complementary and alternative medicine (CAM) impact recurrence and survival rates for…

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Study Examines Relationship Between Breast Density and Second Breast Cancers for Women with Ductal Carcinoma In Situ

Breast Density and DCIS Oakland, Calif., October 5, 2004--Having highly dense breasts may be associated with an increased risk of a second breast cancer among women who have had a ductal carcinoma in situ (DCIS), according to a study in…

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Mature male reading a book

Even Mild Kidney Disease Increases Risk of Heart Attack or Death

Oakland, CA—Chronic kidney disease—even asymptomatic forms of the disease—increases a person’s risk of heart disease, stroke, or death, according to researchers with Kaiser Permanente’s Division of Research in a paper published in the September 23, 2004 issue of the New…

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pregnant woamn

Study Shows Role of Genetic Makeup Between Parents in Preterm Delivery

Transmission of Parentally Shared Human Leukocyte Antigen Gene Increases Risk of Early Births Oakland, Calif., August 31, 2004--The transmission of Human Leukocyte Antigen (HLA) genes may play a significant role in the risk of preterm delivery, according to a study…

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