Behavioural and emotional effects of stress Over time, the build-up of these chemicals and the changes they produce can be damaging to your health. If you’re stuck in a busy office or on an overcrowded train, you can’t run away, so you can’t use up the chemicals your own body makes to protect you. However, if you’re constantly under stress, these hormones remain in your body, leading to the symptoms of stress. Once the pressure or threat has passed, your stress hormone levels usually return to normal. Humans have inherited these things from our ancient ancestors, who needed to be able to either run away from danger or stay and fight. In the long term, you may be putting yourself at risk of heart attacks and strokes. You may also breathe more quickly, have palpitations or suffer from various aches and pains. Cortisol, another stress hormone, releases fat and sugar into your system to boost your energy.Īs a result, you may experience headaches, muscle tension, pain, nausea, indigestion and dizziness. These hormones can also reduce blood flow to your skin and reduce your stomach activity. This prepares your body for an emergency response. Hormones called adrenaline and noradrenaline raise your blood pressure, increase your heart rate and increase the amount you sweat. This is known as the ‘fight or flight’ response. Symptoms like these are triggered by a rush of stress hormones in your body which, when released, allow you to deal with pressures or threats. Some common symptoms of stress include sleeping problems, sweating, or a change in appetite.
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