You’re sitting in traffic, late for an important meeting, watching the minutes tick away. Your hypothalamus, a tiny control tower in your brain, decides to send out the order: Send in the stress hormones! These stress hormones are the same ones that trigger your body’s “fight or flight” response. Your heart races, your breath quickens, and your muscles ready for action. This response was designed to protect your body in an emergency by preparing you to react quickly. But when the stress response keeps firing, day after day, it could put your health at serious risk.
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Stress can trigger and intensify tension headaches. Read More
When you’re stressed, the muscles that help you breathe tense up, which can leave you short of breath. Read More
Long-term stress weakens your immune system’s defenses, leaving you more vulnerable to infections. Read More
Stress causes your liver to release extra sugar (glucose) into your bloodstream, which over time puts you at risk for type 2 diabetes. Read More
Stress hormones tighten blood vessels, which can raise your blood pressure. Read More
Stress affects your body’s digestive system, which can lead to stomachaches, nausea, and other tummy troubles. Read More
Your brain plays an important part in the process of getting an erection. Stress can interfere with this process. Read More
Fluctuating hormones can throw your menstrual cycle off or in severe cases, stop it all together. Read More
Chronic stress can wear you down emotionally and lead to depression. Read More
Stress makes it harder to fall asleep and stay asleep, which can lead to insomnia. Read More
Stress increases the production of stomach acid, which could lead to heartburn or make it worse. Read More
Over time, an increased heart rate and high blood pressure damages your arteries, which could lead to a heart attack. Read More
Stress hormones make your heart pump faster so that blood can quickly reach your vital organs and limbs. Read More
Stress interferes with the reproductive system in both men and women, and may make it harder to conceive. Read More
Stress — and the fatigue that often comes with it — can take a toll on your libido. Read More
Stress makes muscles tense up, and chronic stress can lead to tension-related headaches and backaches. Read More
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Stress can trigger and intensify tension headaches. Read More
Chronic stress can wear you down emotionally and lead to depression. Read More
Stress makes it harder to fall asleep and stay asleep, which can lead to insomnia. Read More
Stress increases the production of stomach acid, which could lead to heartburn or make it worse. Read More
When you’re stressed, the muscles that help you breathe tense up, which can leave you short of breath. Read More
Long-term stress weakens your immune system’s defenses, leaving you more vulnerable to infections. Read More
Stress hormones make your heart pump faster so that blood can quickly reach your vital organs and limbs. Read More
Over time, an increased heart rate and high blood pressure damages your arteries, which could lead to a heart attack. Read More
Stress hormones tighten blood vessels, which can raise your blood pressure. Read More
Stress causes your liver to release extra sugar (glucose) into your bloodstream, which over time puts you at risk for type 2 diabetes. Read More
Stress affects your body’s digestive system, which can lead to stomachaches, nausea, and other tummy troubles. Read More
Your brain plays an important part in the process of getting an erection. Stress can interfere with this process. Read More
Fluctuating hormones can throw your menstrual cycle off or in severe cases, stop it all together. Read More
Stress — and the fatigue that often comes with it — can take a toll on your libido. Read More
Stress interferes with the reproductive system in both men and women, and may make it harder to conceive. Read More
Stress makes muscles tense up, and chronic stress can lead to tension-related headaches and backaches. Read More
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Stress is a natural physical and mental reaction to life experiences. Everyone expresses stress from time to time. Anything from everyday responsibilities like work and family to serious life events such as a new diagnosis, war, or the death of a loved one can trigger stress. For immediate, short-term situations, stress can be beneficial to your health. It can help you cope with potentially serious situations. Your body responds to stress by releasing hormones that increase your heart and breathing rates and ready your muscles to respond. Yet if your stress response doesn’t stop firing, and these stress levels stay elevated far longer than is necessary for survival, it can take a toll on your health. Chronic stress can cause a variety of symptoms and affect your overall well-being. Symptoms of chronic stress include:
  • irritability
  • anxiety
  • depression
  • headaches
  • insomnia
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Central nervous and endocrine systems

Your central nervous system (CNS) is in charge of your “fight or flight” response. In your brain, the hypothalamus gets the ball rolling, telling your adrenal glands to release the stress hormones adrenaline and cortisol. These hormones rev up your heartbeat and send blood rushing to the areas that need it most in an emergency, such as your muscles, heart, and other important organs. When the perceived fear is gone, the hypothalamus should tell all systems to go back to normal. If the CNS fails to return to normal, or if the stressor doesn’t go away, the response will continue. Chronic stress is also a factor in behaviors such as overeating or not eating enough, alcohol or drug abuse, and social withdrawal.
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Respiratory and cardiovascular systems

Stress hormones affect your respiratory and cardiovascular systems. During the stress response, you breathe faster in an effort to quickly distribute oxygen-rich blood to your body. If you already have a breathing problem like asthma or emphysema, stress can make it even harder to breathe. Under stress, your heart also pumps faster. Stress hormones cause your blood vessels to constrict and divert more oxygen to your muscles so you’ll have more strength to take action. But this also raises your blood pressure. As a result, frequent or chronic stress will make your heart work too hard for too long. When your blood pressure rises, so do your risks for having a stroke or heart attack.
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Digestive system

Under stress, your liver produces extra blood sugar (glucose) to give you a boost of energy. If you’re under chronic stress, your body may not be able to keep up with this extra glucose surge. Chronic stress may increase your risk of developing type 2 diabetes. The rush of hormones, rapid breathing, and increased heart rate can also upset your digestive system. You’re more likely to have heartburn or acid reflux thanks to an increase in stomach acid. Stress doesn’t cause ulcers (a bacterium called H. pylori often does), but it can increase your risk for them and cause existing ulcers to act up. Stress can also affect the way food moves through your body, leading to diarrhea or constipation. You might also experience nausea, vomiting, or a stomachache.
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Muscular system

Your muscles tense up to protect themselves from injury when you’re stressed. They tend to release again once you relax, but if you’re constantly under stress, your muscles may not get the chance to relax. Tight muscles cause headaches, back and shoulder pain, and body aches. Over time, this can set off an unhealthy cycle as you stop exercising and turn to pain medication for relief.
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Sexuality and reproductive system

Stress is exhausting for both the body and mind. It’s not unusual to lose your desire when you’re under constant stress. While short-term stress may cause men to produce more of the male hormone testosterone, this effect doesn’t last. If stress continues for a long time, a man’s testosterone levels can begin to drop. This can interfere with sperm production and cause erectile dysfunction or impotence. Chronic stress may also increase risk of infection for male reproductive organs like the prostate and testes. For women, stress can affect the menstrual cycle. It can lead to irregular, heavier, or more painful periods. Chronic stress can also magnify the physical symptoms of menopause. What are the causes of inhibited sexual desire? »
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Immune system

Stress stimulates the immune system, which can be a plus for immediate situations. This stimulation can help you avoid infections and heal wounds. But over time, stress hormones will weaken your immune system and reduce your body’s response to foreign invaders. People under chronic stress are more susceptible to viral illnesses like the flu and the common cold, as well as other infections. Stress can also increase the time it takes you to recover from an illness or injury. Keep reading: Learn tips on managing your stress »