Your mind and body are powerful allies. How you think can affect how you feel. And how you feel can affect your thinking.
An example of this mind-body connection is how your body responds to stress. Constant worry and stress over jobs, finances, or other problems can cause tense muscles, pain, headaches, and stomach problems. It may also lead to high blood pressure or other serious problems.1, 2
On the other hand, constant pain or a health problem like heart disease can affect your emotions. You might become depressed, anxious, and stressed, which could affect how well you treat, manage, or cope with your illness.
But your mind can have a positive effect on your health, too. Having a positive outlook on life might help you better handle pain or stress and stay healthier than someone who is less hopeful.
Your brain produces substances that can improve your health. These substances include endorphins, which are natural painkillers, and gamma globulin, which strengthens your immune system.
Research shows that what your brain produces depends in part on your thoughts, feelings, and
expectations. If you're sick but you have hope and a positive attitude and you believe that you'll get better, your brain is likely to produce chemicals that will boost your body's healing power.3
Negative thoughts and emotions can keep your brain from producing some of the chemicals that help your body heal. But this doesn't mean you should blame yourself for getting sick or feeling down about a health problem. Some illnesses are beyond your control. But your thoughts and state of mind are resources you can use to get better.
How you handle stress has an effect on your health.
When you're stressed or anxious, your body reacts as if it is under attack. Your body releases hormones that speed up your heart rate and breathing, increase blood pressure, and make your muscles tense. This physical reaction is called the fight-or-flight stress response.
This stress reaction is good if you need to avoid an accident or other danger. But if you constantly feel stressed, your body's natural fight-or-flight response lasts too long and your blood pressure may stay high. This is bad for your heart. Stress can also affect your emotions. It can make you feel moody, tense, upset, or depressed.
But when you are able to relax your mind and body, your body stops producing the hormones that create stress. The feelings of stress ease, and you return to a state of calm, both physically and mentally.
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Sadock BJ, Sadock VA (2007). Psychosomatic medicine. In Kaplan and Sadock's Synopsis of Psychiatry, 10th ed., pp. 813–838. Philadelphia: Lippincott Williams and Wilkins.
Freeman L (2009). Physiologic pathways of mind-body communication. In L Freeman, ed., Mosby’s Complementary and Alternative Medicine: A Research-Based Approach, 3rd ed., pp. 1–29. St. Louis: Mosby Elsevier.
Rasmussen HN, et al. (2009). Optimism and physical health: A meta-analytic review. Annals of Behavioral Medicine, 37(3): 239–256.
May 21, 2013
Patrice Burgess, MD - Family Medicine
& Lisa S. Weinstock, MD - Psychiatry
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