Research Areas

Featured Area

Medication Use & Patient Safety

Ensuring drug treatments are safe and effective

Americans are using more prescription drugs than ever. Group Health researchers are studying the harms and benefits—helping to reduce side effects, hazardous drug interactions, and costs. These issues are especially important for those with multiple conditions and medications.

GHRI In the Media

Bariatric surgery keeps weight off in long term

Bariatric Surgery Can Help People Keep Weight Off Long Term

NPR, Sept. 5, 2016

Research Area Overview

Aging & Geriatrics

Nearly all GHRI research contributes to helping seniors lead healthier lives, including studies that have followed Group Health members over decades. Learn how our findings have changed how people think about physical activity, brain health, and what it means to grow old.  

Alternative Approaches to Healing

See how GHRI leads the nation in research on complementary and alternative treatments for back pain and more. We use rigorous scientific methods to evaluate the effectiveness—and cost-effectiveness—of such therapies delivered in real-world practice.

Behavior Change

Behavior plays a major part in everybody's well being. Find out how GHRI research is making it easier to develop lifelong habits that can keep you and your family healthy.


High-quality health care research depends on high-quality biostatistics. Discover how GHRI’s Biostatistics Unit develops, improves, and applies rigorous statistical methods to enhance research at Group Health and nationwide.


GHRI researchers are improving the quality of cancer prevention, screening, diagnosis, and treatment. By studying populations within Group Health and large national research networks, they are helping to improve health outcomes for millions. Learn more.

Cardiovascular Health

GHRI studies how genetics, medications, and everyday choices affect heart health. See how our discoveries in prevention and treatment can improve the health of patients today and for years to come. 

Child & Adolescent Health

From before birth to late adolescence, health experiences can affect the quality of a person's entire life. Explore how GHRI research is getting kids off to a great start through healthy lifestyles, management of chronic health problems, and more.

Chronic Illness Management

Meeting the complex needs of patients with chronic illness or impairment is the single greatest challenge facing organized medical practice. GHRI leads the way in developing, implementing, and promoting better models of care for chronic illness. Find out more.

Health Informatics

GHRI focuses on developing health information technology to transform health care delivery. Learn how our work is engaging patients and providers together, both inside and outside traditional health care settings.

Health Services & Economics

As American health care undergoes unprecedented changes, GHRI research focuses on finding out what works—and what doesn't—to improve health outcomes, patient experience, and affordability. See how we're influencing health care delivery, coverage, policy, and more.

Healthy Communities

Staying healthy requires more than access to a great care team. People need walkable streets, wholesome food, and other healthy conditions. Read about researchers from our Center for Community Health and Evaluation who are making neighborhoods vital and strong.

Mental Health

Traditional mental health therapy reaches only a fraction of the millions who need treatment. GHRI researchers are finding practical, patient-centered ways to reach people affected by conditions such as depression, bipolar disorder, and anxiety. Explore how.

Medication Use & Patient Safety

Americans are using more prescription drugs than ever. GHRI researchers are studying the harms and benefits—helping to reduce side effects, hazardous drug interactions, and costs. These issues are especially important for those with multiple conditions and medications. Learn more.


GHRI research focuses on three ways to halt America’s obesity epidemic. See how we're helping to change obesity-promoting environments, bring evidence-based prevention and treatment programs into health care systems, and help people develop lifelong healthy diet and activity habits.

Preventive Medicine

Great preventive care means promoting healthy behaviors, building sound prevention services into everyday clinical care, and designing smart health care benefits. GHRI researchers have access to data from a large, stable population over time, allowing them to discover which approaches to prevention work best. Find out more.

Women's Health

Women face many unique health care decisions, including choices in birth control, cancer screening, preventing osteoporosis, and treating menopause symptoms. Discover how GHRI researchers are helping women make the best decisions for long and healthy lives.

Vaccines & Infectious Diseases

GHRI research guards communities by continually improving the safety and effectiveness of vaccines. Learn how our immunization studies help protect children, adults, and seniors from dangerous infectious disease.