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What is lifestyle medicine?

Lifestyle medicine is an evidence-based medical specialty that applies therapeutic lifestyle interventions to treat, reverse, and prevent chronic conditions like cardiovascular diseases, type 2 diabetes, and obesity. By empowering patients to make lifestyle behavior changes in six interconnected pillars—optimal nutrition, physical activity, restorative sleep, stress management, connectedness, and risky substance avoidance—lifestyle medicine aims to eliminate the root cause of a disease. And it works: studies have shown that lifestyle medicine can impact up to 80% of chronic diseases.

Worldwide

Why lifestyle medicine matters?

Chronic disease is no longer a problem confined to one country or healthcare system. Around the world, rising rates of cardiovascular disease, type 2 diabetes, obesity, cancer, and other chronic conditions are placing increasing strain on patients, providers, and healthcare resources. Lifestyle medicine addresses the root causes of these conditions through evidence-based interventions that improve health, quality of life, and long-term outcomes.

Lifestyle medicine offers a common framework that can be applied across cultures, healthcare systems, and economic environments. Whether in North America, Europe, Asia, Africa, the Middle East, or Latin America, the fundamental drivers of health—nutrition, physical activity, sleep, stress management, social connection, and avoidance of risky substances—are universally relevant.

A global role

ACLM’s commitment extends beyond the United States. Through its leadership in establishing and supporting the Lifestyle Medicine Global Alliance (LMGA), ACLM collaborates with lifestyle medicine organizations around the world to advance education, professional standards, advocacy, and the growth of the field globally.

Together, these organizations are building a worldwide movement dedicated to making lifestyle medicine a foundational component of healthcare and helping nations address the growing burden of chronic disease through prevention, treatment, and health restoration.

The six pillars of lifestyle medicine

Optimal Nutrition

Poor overall diet quality is the leading single cause of premature death in America. Optimal nutrition is essential to the root-cause treatment of chronic conditions. The American College of Lifestyle Medicine recommends an eating pattern based predominantly on a variety of minimally processed vegetables, fruits, whole grains, legumes, nuts, and seeds.

Physical Activity

Regular physical activity is essential to offset a sedentary lifestyle, manage chronic conditions, and support overall health. Adults should aim for at least 150 minutes of moderate aerobic and muscle-strengthening activity per week to help prevent issues like osteoporosis and cardiovascular disease.

Restorative Sleep

Unhealthy sleep is associated with the most common causes of premature death and disability, and it can lead to an increased risk of impaired memory, dementia, and cardiovascular disease. Quality sleep powerfully supports chronic disease treatment and overall well-being. Adults should strive to create the right conditions to get 7 to 9 hours of quality sleep every night to allow the body to rest and repair.

Stress Management

Chronic stress can exacerbate health issues like cardiovascular disease, depression, insulin resistance, and many others. Stress management strategies are crucial for overall health as well as in the treatment of chronic disease.

Connectedness

Meaningful interactions are a key factor in human happiness, longevity and the treatment of chronic diseases. Strong social connections, as well as having a sense of purpose and meaning, affect physical, mental, and emotional health, and can even reduce the risk of depression and dementia.

Risky Substance Avoidance

Risky substances like alcohol, tobacco, and other drugs dramatically increase the risk of death and chronic disease, and exacerbate the ill effects of disease. Other risky behaviors and exposures can negatively impact mental and physical health. Addressing these behaviors with evidence-based approaches is an essential element of health restoration.

Why now, what about lifestyle medicine is so compelling?

Recommended & Evidence-based

Lifestyle modification is recommended as a first-line intervention in clinical guidelines for chronic disease management and prevention, including those for type 2 diabetes, cardiovascular disease, hypertension and obesity. Lifestyle medicine is the evidence-based medical specialty that standardizes clinical delivery of lifestyle change to improve patient outcomes, reduce medication dependence and reverse chronic disease.

Whole-person, purposeful care

Rather than masking symptoms, lifestyle medicine addresses the root causes of disease through six interconnected pillars: nutrition, physical activity, sleep, stress management, connectedness, and risky substance avoidance. By focusing on the whole person and identifying personal motivation and readiness to change, lifestyle medicine helps patients achieve meaningful, lasting physical and mental health improvements.

Team-based, Integrated delivery

Lifestyle medicine puts the patient at the center of a multidisciplinary team approach. Physicians, nurses, dietitians, health coaches, mental health professionals and others work together across care settings and disciplines, empowering patients and their families with resources and support. This collaborative model strengthens relationships, improves adherence, and leads to sustainable health outcomes.

delivers high-value, cost-effective care

Lifestyle medicine reduces emergency visits, hospitalizations and reliance on high-cost medications and procedures with the added side effect of aligning clinical work with purpose and outcomes. The result? Improved clinician satisfaction, patient safety and system efficiency.

improves access and patient engagement

Lifestyle medicine makes the opportunity to experience a healthier, more vibrant life accessible to all. By supporting self-efficacy, leveraging community-based resources and integrating care into digital and non-traditional settings, lifestyle medicine lowers barriers to health and empowers patients, regardless of income, geography, or cultural and ethnic background, to actively engage in their health.

a sustainable solution for the future of health

Lifestyle medicine is not a fleeting trend but a powerful sustainable solution to transform the way we address chronic disease. As the nation’s medical professional society dedicated to advancing the field, ACLM is leading the way toward an improved system of care, improved individual health, and happier, healthier communities across our nation and world. Together, we are creating a sustainable model of health, improving lives today and building a healthier future for generations to come.

A global movement to restore health

Chronic disease knows no borders. Neither does lifestyle medicine. Together with partners around the world, ACLM is advancing a new standard of care that addresses root causes, improves outcomes, and helps healthcare systems build a healthier future.

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