A growing body of research has shown that people’s mindsets have measurable physical effects.

People’s expectations to heal and the social context surrounding them, including their relationships with doctors, drive these placebo responses—where a patient’s health changes without being treated.

Despite this research, the benefits of these psychological and social forces are still receiving much less attention than drug and device treatments in health care. The health care and education systems in the U.S. generally do not emphasize psychosocial training. As a result, new doctors and health care workers take few courses on how to effectively form meaningful relationships with patients and how best to help them adopt useful mindsets.

Dr. Nadine Burke Harris with a patient Dr. Nadine Burke Harris with a patient © Bill Posner / California Pacific Medical Center
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In a recently published study, a group of Stanford experts calls for more health care professionals to place emphasis on the importance of individual mindsets and social context in healing, and for more researchers to study these.

“We have long been mystified by the placebo effect,” said Alia Crum, an assistant professor of psychology and the lead author of the report. “But the placebo effect isn’t some mysterious response to a sugar pill. It is the robust and measurable effect of three components: the body’s natural ability to heal, the patient mindset, and the social context. When we start to see the placebo effect for what it really is, we can stop discounting it as medically superfluous and can work to deliberately harness its underlying components to improve health care.”

Harnessing the power of mindsets

Crum, together with co-authors Dr. Abraham Verghese, professor of medicine, and psychology doctoral candidate Kari Leibowitz, argues that the health care and education systems need to prioritize the role of psychological and social forces in healing.

For example, medical schools should develop more training that helps students and residents use their personal strengths to connect with patients and learn the best ways to harness social context and patient mindset.

“It should be about designing a formal curriculum for medical school that weaves all of this throughout the training,” Leibowitz said. “So it’s not just mentioned in one or two classes or taught for one semester and then forgotten about.”

The experts also called for a reform of standard randomized trials in the health care system. When examining the effects of a new drug, researchers should include natural conditions, which don’t use placebos, alongside conditions that include altered social context and mindset. This, Crum said, will help researchers understand how beliefs, labels, and context can help magnify or reduce the effects of the drug and treatment; and help them understand and quantify patients’ individual experiences of expectations, connection, and trust.

These reforms, however, would require additional rigorous research that builds more scientific evidence for the importance of the effects of social context and mindsets, they said.

“Taking time and energy to develop provider-patient relationships is crucial and we know that it makes a difference,” Leibowitz said. “But you have to be able to justify why structural changes like increasing the length of time spent with a patient to build trusting relationships and shape adaptive mindsets actually saves all of us money.”

Verghese, who is also a director of the Stanford interdisciplinary center Presence, which champions the patient experience in medicine, has been teaching the value of connection and bedside manner for years.

“The wise and seasoned physician does much of this intuitively,” Verghese said. “What is missing is the science behind it and the structure to help physicians understand these psychological and social forces so they can deliberately leverage them in health care.”

The placebo effect

Over the past 30 years, neurobiological research has shown that the placebo effect, which stems in part from an individual’s mindset or expectation to heal, triggers distinct brain areas associated with anxiety and pain that activate physiological effects that lead to healing outcomes.

Mindsets can also lead to negative, or “nocebo,” effects. For example, patients had a heightened pain response after they were informed that an injection would hurt. Those who were told about possible negative side effects of a medication had an increased presence of those effects.

Crum has produced research suggesting that people’s mindsets also influence the benefits they get from certain behaviors. For example, her 2011 study showed that the physical effects of food depend on how caloric or indulgent it is in a person’s mind. Crum’s 2013 study demonstrated that viewing stress as a helpful part of life, rather than as harmful, is associated with better health, emotional well-being, and productivity at work.

Crum said she intends to continue to contribute research on the components that make up placebo effects, such as people’s mindsets. She said several studies are in progress, on which Crum’s Mind and Body Lab at Stanford has partnered with Verghese’s Presence center.

But more work remains to be done, according to Crum and other experts.

Scientific research needs to move beyond merely comparing drug treatments to placebos and focus on exploring what mechanisms drive placebo responses and what patients and doctors can do to effectively leverage these effects to improve health care, the experts said.

“We know that psychological and social forces are at work in health in healing, for better or for worse,” Crum said. “But we need to develop more rigorous research to measure their physiological effects. It is time we start taking these forces more seriously in both the science and practice of medicine.”

This article was originally published on Stanford News. Read the original article.

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