When more isn’t more: Smaller restaurant portions left diners just as full
Restaurants in the United States are known for generous portions, often serving far more food than most adults need in a single meal. Those oversized portions have long been linked to overeating and, over time, to higher rates of obesity and chronic disease. A new study conducted in real restaurants ...
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Transforming sight through clinical trials
While the typical assumption would be that it takes a major academic campus to foster medical innovation, Kaiser Permanente is proving that wrong. The Kaiser Permanente Riverside Medical Center has ...
5 questions for Dr. Hui Zhou
Hui Zhou PhD, MS, is the biostatistician lead in the Division of Epidemiologic Research for the Department of Research & Evaluation. There she collaborates with epidemiologists and clinical investigators ...
Study evaluates heart disease risk prediction across Asian ethnicities
A Kaiser Permanente study found that the PREVENT cardiovascular risk equation had strong overall ability to predict 10-year cardiovascular disease risk in Asian, Native Hawaiian, and Other Pacific Islander ...
Study evaluates heart disease risk prediction across Asian ethnicities
February 19, 2026A Kaiser Permanente study found that the PREVENT cardiovascular risk equation had strong overall ability to predict 10-year cardiovascular disease risk in Asian, Native Hawaiian, and Other Pacific Islander adults. However, its accuracy differed across specific Asian ethnic subgroups and showed consistent patterns of over- and under-estimating when grouping by race and ethnicity. The study went ...Read more...Rethinking MS treatment: Why less may be more
February 3, 2026For years, people living with relapsing forms of multiple sclerosis (MS) have depended on powerful medications to keep their disease under control. One of the most effective treatments has been rituximab, a therapy that works by depleting B cells, which are the immune cells that drive inflammation with MS. However, new research from Kaiser Permanente Southern ...Read more...Staying active during pregnancy helps keep postpartum weight off
February 3, 2026For years, researchers have known that many people struggle to lose the weight they gain during pregnancy. Up to 1 in 4 individuals retain at least 10 pounds 1 to 2 years after giving birth, and this lingering weight can raise their long‑term risk of hypertension, cardiovascular disease, and other metabolic problems. Despite the importance of ...Read more...Wildfire smoke studies reveal differing health risks
February 3, 2026Wildfire smoke has increasingly been recognized as a serious public health threat. Now, 2 new Kaiser Permanente studies in Southern California have examined how health risks for both young and old people might be associated with exposure. One study showed that long-term exposure increased the risk of death among older adults, while another found that prenatal ...Read more...Researcher Dr. Hui Zhou’s joyful New Year’s Day walk
January 13, 2026On a rainy New Year’s morning in Pasadena, Dr. Hui Zhou, a research scientist with the Department of Research & Evaluation, walked alongside Kaiser Permanente’s float, “A Better Idea for Health Care,” in the Rose Parade. It was a moment of pride and joy. Dr. Zhou wasn’t just proud to represent Kaiser Permanente. … Her daughter, ...Read more...More than just a pretty space: What research tells us about parks
December 8, 2025For many people, public parks are just a beautiful green space they drive by on their way to work. However, research has shown that parks play a crucial role in people’s physical activity, and the community’s health. By studying parks, researchers aim to understand how these public spaces enhance community health, encourage active lifestyles, and assess ...Read more...Five questions for Dr. Mingsum Lee
December 5, 2025Mingsum Lee, MD, PhD, has been named as the 2025 Southern California Permanente Medical Group Physician Researcher of the Year. Commenting about her selection for the award, one nominator said Dr. Lee “is a true quadruple threat as an exceptional clinician, educator, administrator, and prolific researcher, but also has a humility and generosity which defines ...Read more...Los Angeles wildfires increased virtual medical visits
November 26, 2025In January 2025, when wildfires swept from the foothills above Los Angeles into the densely populated urban areas below, evacuations ensued and a thick layer of smoke spread across the region. Air quality plummeted. The number of virtual visits soared and in-person visits also increased. Research led by Kaiser Permanente Southern California and the University of ...Read more...Predicting heart issues among breast cancer survivors
November 26, 2025Researchers have developed a new risk calculation model to help predict the risks of heart problems for breast cancer survivors. Their research was published in JAMA Oncology in October 2025. “There is limited information about how breast cancer treatments can affect the development of cardiovascular disease,” said study co-senior author Reina Haque, PhD, MPH, a cancer ...Read more...Diabetes medications vary in ability to reduce heart attacks and strokes
October 28, 2025A new study led by Kaiser Permanente researchers compared how well 4 different types of glucose-lowering medications reduced the risk of heart attack and stroke for patients with type 2 diabetes, providing important new information for these patients and their physicians. The study, published in JAMA Network Open in October, 2025, analyzed data collected on nearly ...Read more...