Why Doctors Are Starting To Prescribe Exercise

exercise

Why Doctors Are Starting To Prescribe Exercise
Clinical research has established exercise as a safe and effective intervention to counteract the adverse physical and psychological effects of cancer and its treatment. The Clinical Oncology Society of Australia is the first to recommend exercise as part of regular cancer care. (Unsplash/curtis macnewton), CC BY-NC-SA Scott Lear, Simon Fraser University

There is a movement afoot (pun intended) to get more people exercising by involving their family doctors.

In the United Kingdom, the government recently released Moving Medicine — an online resource to help doctors talk to their patients about the importance of exercise in relation to conditions as diverse as cancer and dementia. This is a welcome initiative given that physical inactivity is the fourth leading cause of death in the world, according to the World Health Organization.

The benefits of exercise have been proven over and over again: Exercise reduces risk of depression, type 2 diabetes, heart disease, stroke and many cancers, and prevents early death.

If it was a pill, exercise would be a trillion-dollar money-maker prescribed to everyone.

Exercise as a therapy is mentioned in almost all prevention and treatment guidelines, which are written by doctors themselves. Still, most patients never hear their doctor talk about it. And fewer than one in four Canadians meet current guidelines for physical activity, which recommend that people participate in moderate (such as brisk walking) and vigorous (such as jogging, swimming or running) activity for at least 150 minutes per week.

Part of the reason is that most doctors in practice today received little, if any, training on the role of exercise in managing disease. Years ago I taught a 30-minute lecture on the topic at a Canadian medical school and this was all the students got over their four-year program.

This is about to change.

Free gym prescriptions

In recent years, Canadian medical schools — such as the Cumming School of Medicine at the University of Calgary — have revised their curricula to incorporate aspects of exercise in the prevention and treatment of disease.

This is one part of growing initiatives like Exercise is Medicine that advocate for the role of exercise and encourage doctors to prescribe it.

Similarly, the Prescription to Get Active program in Alberta allows doctors to prescribe free 30-day gym memberships to patients.

Doctors who exercise themselves are more likely to recommend exercise to their patients. (Why doctors are starting to prescribe exercise)
Doctors who exercise themselves are more likely to recommend exercise to their patients. (Shutterstock)

A grassroots program called Walk with a Doc has local doctors walking with their patients. The program was begun by Dr. David Sabgir, a cardiologist in Columbus, Ohio, who was frustrated with his inability to affect behaviour change in the clinical setting and invited his patients to go for a walk with him in a local park one Saturday morning. More than 100 people showed up, and there are now 400 chapters worldwide.

There have also been calls for exercise to be considered a vital sign, much like blood pressure and heart rate. Health insurance provider Kaiser Permanente requires doctors in the United States to record how much physical activity a patient does.

Patients who receive exercise prescriptions and counselling from their doctors are more likely to be active, so these initiatives are a good start.

More needs to be done, however, when only one-third of doctors talk to their patients about exercise.

Reactionary health-care system

Not surprisingly, doctors who exercise themselves are more likely to counsel their patients about physical activity. Therefore, targeting doctors to be more active may provide a substantial population effect.

At the same time, doctors say they need more and better training with respect to the benefits of exercise and how to counsel patients.

Exercise is an effective medicine for many patients dealing with heart disease, dementia, depression, stroke and cancer. (Why doctors are starting to prescribe exercise)
Exercise is an effective medicine for many patients dealing with heart disease, dementia, depression, stroke and cancer.
(Shutterstock)

The need for this change in approaching health and disease comes from two key realizations. One is that there are a growing number of people with preventable chronic illness, and our health-care system is not adequately prepared to deal with all these patients.

Our system is reactionary; it is designed to wait until someone has a disease instead of preventing it. But chronic illnesses are not like diseases of old. They cannot be cured, although many can be prevented. Exercise is increasingly recognized as important to this change.

Exercise for cancer care

Second, we have greater knowledge about the benefits of exercise in treating disease in addition to preventing it. Exercise is used for cardiac rehabilitation, after a heart attack.

Exercise works as well as drugs that lower cholesterol and blood pressure in preventing early death. And diabetics who exercise require less medication to manage their blood sugar.

Even in treating cancer, exercise can reduce the side-effects of treatment, such as anxiety, depression and fatigue. This has prompted the Clinical Oncology Society of Australia to release a position statement recommending exercise as part of regular cancer care. It is believed to be the first of its kind in the world, but hopefully not the last.

Doctors would benefit from additional incentives such as specific billing codes that allow for prescribing of exercise as well as more continuing medical education sessions on how to do so.

Educating current and future doctors that exercise is as good, if not better, than many medications will be essential to prevent the increasing burden of chronic illnesses.

About The Author

Scott Lear, Professor of Health Sciences, Simon Fraser University. He writes the weekly blog Feel healthy with Dr. Scott Lear.The Conversation

This article is republished from The Conversation under a Creative Commons license. Read the original article.

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