Stress & immune system: what’s the link?

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Stress can negatively impact the immune system, reducing its ability to fight off harmful bacteria and viruses. Emotional and physical stress can both lead to a depressed immune system, and chronic stress can cause immune system cells to decrease. Complementary therapies, such as exercise, meditation, and art therapy, can help boost immune system function.

The body’s immune system is an intricate network designed to fight off harmful bacteria from the environment, as well as harmful free radicals produced within the body itself. Stress is known to have a negative impact on the immune system, suppressing healthy immune function and rendering the body defenseless against invading and foreign viruses. Stress and the immune system have been studied in clinical research to show that any stress placed on the body can hamper its defensive signals. Emotional stress and immunity have been shown to be directly linked during times of illness, prompting some doctors to suggest complementary therapy alongside traditional medical treatment of illness.

When a foreign invader attacks the body, such as a bacterium or virus, the immune system is triggered to attack these substances to prevent infection or disease. A healthy diet and exercise program are a couple of important factors that support the immune system’s ability to effectively fight off these invaders, reducing the likelihood of developing a cold, flu or other illness. Studies on stress and the immune system show that factors such as emotional trauma or anxiety can actually reduce immune system function. Researchers have found that when the body is in a state of chronic stress, the immune system can stop functioning normally.

It is not known why the link exists between stress and immune system function; however, it could be because hormones to combat emotional stress can temporarily suppress the immune system until the stress subsides. Physical stress and the immune system are also linked, as excessive exercise or physical trauma can lead to a depressed immune system. People with chronic levels of stress in their lives have been shown to catch a cold or flu regularly than those who manage stress effectively. In addition, it has been shown that immune system cells are fewer in those who are in a chronic state of stress.

Some studies have shown how stress and the immune system play a role in cancer treatment, making relaxation techniques and applications an important component in the fight against the disease. Alongside proper medications and medical knowledge, regular exercise and meditation are often suggested for patients who wish to incorporate natural techniques to promote immune system health. Art therapy, talk therapy, and even guided relaxation have been shown to boost immune function. Yoga is a popular tool that uses both exercise and relaxation to improve immune system response and is a popular exercise among those battling immune system-related ailments.




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