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Anxiety is a feeling of worry, nervousness, or fear about an event or situation. It is a normal reaction to stress. It helps you stay alert for a challenging situation at work, study harder for an exam, or remain focused on an important speech.
Everyone experiences stress and anxiety at one time or another. The difference between them is that stress is a response to a threat in a situation. Anxiety is a reaction to the stress. Whether in good times or bad, most people say that stress interferes at least moderately with their lives. Chronic stress can affect your health, causing symptoms from headaches, high blood pressure, and chest pain to heart palpitations, skin rashes, and loss of sleep.