What is lifestyle medicine?

Lifestyle medicine, as the American College of Lifestyle Medicine describes it, is a field that uses lifestyle interventions as treatment for chronic conditions such as cardiovascular disease, type 2 diabetes, and obesity. The college organizes that work into six pillars: optimal nutrition, physical activity, restorative sleep, stress management, connectedness, and avoidance of risky substances. The page was read on October 13, 2026.

The college calls this a medical specialty. The ABMS certificate list, read the same day, includes Family Medicine and Internal Medicine. A search of that page did not find the words "lifestyle medicine." Those are two different uses of the word specialty. This page keeps them apart.

What is lifestyle medicine?

The college's about page says lifestyle medicine applies therapeutic lifestyle interventions to treat, prevent, and, in the college's wording, reverse chronic conditions such as cardiovascular disease, type 2 diabetes, and obesity. The same page says lifestyle change is recommended as a first-line step in clinical guidelines for type 2 diabetes, cardiovascular disease, hypertension, and obesity.

That is the college's summary of those guidelines. This page does not add a success rate of its own.

What a visit looks like is not standardized in the sources above. A clinician who works this way will usually talk through daily habits: food, movement, sleep, stress, relationships, and substances. That is a description of the topics, not a promise that the visit will change a lab result. Ask the practice what the visit covers and how long it is.

What are the pillars of lifestyle medicine?

The college's about page, read October 13, 2026, names six interconnected pillars:

1. Optimal nutrition. The college says poor overall diet quality is the leading single cause of premature death in the United States, and it recommends an eating pattern built mostly from minimally processed vegetables, fruits, whole grains, legumes, nuts, and seeds. That recommendation is the college's. This page does not turn it into a meal plan.
2. Physical activity. The college says adults should aim for at least 150 minutes of moderate aerobic activity a week, plus muscle-strengthening. The CDC's adult activity page, read the same day, states the current Physical Activity Guidelines for Americans the same way: adults need 150 minutes of moderate-intensity activity a week, or 75 minutes of vigorous activity, or a mix, plus muscle-strengthening on at least 2 days a week. The CDC says you can split that time across the week.
3. Restorative sleep. The college lists it as its own pillar. This page does not quote an hour target the college's about page did not state in the text read that day.
4. Stress management. Listed by the college as a pillar. This page does not describe a specific technique as proven.
5. Connectedness. The college's word for social connection. This page does not claim a friendship prevents a disease.
6. Avoidance of risky substances. The college's phrase. Tobacco and excess alcohol are the usual examples clinicians mean. Ask which substances your clinician is talking about.

How is lifestyle medicine different from functional medicine?

They are different definitions. What is functional medicine? describes functional medicine as an approach that looks for what may drive a chronic problem. Lifestyle medicine, on the college's page, is organized around the six habits above.

A clinician can use language from both. That does not make the words interchangeable. A search for "lifestyle medicine vs functional medicine" is this distinction, not a contest. This page has no study that ranks one above the other. What is root-cause medicine? is a third phrase, with its own page.

What does a lifestyle medicine doctor do?

A lifestyle medicine doctor is a licensed clinician who uses those interventions in patient care. The college's certification page, read October 13, 2026, says certification by the American Board of Lifestyle Medicine signifies specialized knowledge for a physician, and that certification by the college for other health professionals signifies competency in using lifestyle to treat, prevent, and, in the college's wording, reverse chronic disease.

That certificate is not the same as an ABMS board. The person still needs a state license. Ask which license they hold, and whether they also hold an ABMS certificate such as family medicine or internal medicine. What is family medicine? explains that certificate.

Is lifestyle medicine a board specialty?

Not on the ABMS list read October 13, 2026. That list is the member-board specialties. Family medicine and internal medicine are on it. Lifestyle medicine was not found in a search of the page.

The college's certificate is a separate credential. Holding it does not, by itself, change what a state license allows. A private course is not that exam. Ask which body issued the certificate and which license is on the wall.

How do I check a doctor's credentials?

1. State license, through the state medical board or nursing board, depending on who will see you.
2. ABMS certificate, if they claim one, on Certification Matters. On October 13, 2026, that site's specialty list included Family Medicine and Internal Medicine. It did not list lifestyle medicine.
3. Any lifestyle medicine certificate, by asking which organization issued it. The college's page names the American Board of Lifestyle Medicine for physicians and the college itself for other health professionals.

Bring every medicine and supplement you take. A change in food or activity can matter for those drugs. Talk with the prescribing clinician before you stop a medicine because a lifestyle plan sounds simpler. This page does not say where to buy a supplement, and it does not give a dose.

This page is general information. It is not a diet, an exercise prescription, or advice for one person. You can read more on the patient page.