The Brain-Heart Connection: Mayo Clinic expert explains powerful tie that works both ways

You may have heard of the mind-body connection: the broad concept that thoughts and feelings, especially those related to stress, can influence physical health. Mohamad Alkhouli, M.D., an interventional cardiologist at Mayo Clinic in Rochester, Minnesota, is researching the relationship between the brain and the heart. Each can have a powerful impact on the other, Dr. Alkhouli explains.

"The mind-heart connection is part of the broader mind-body relationship, but it’s uniquely powerful. Emotional states like anxiety, grief, or even joy can directly influence heart rhythms, blood pressure, and even the risk of heart attacks," Dr. Alkhouli says. "At the same time, the heart sends signals back to the brain through nerves, hormones, and pressure receptors — affecting our mood, attention, and stress levels. So, it’s not just the brain talking to the heart; the heart talks back."

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