Stress is a normal feeling. There are two main types of stress:

Acute stress. This is short-term stress that goes away quickly. You feel it when you slam on the brakes, have a fight with your partner, or ski down a steep slope. It helps you manage dangerous situations. It also occurs when you do something new or exciting. All people have acute stress at one time or another.
Chronic stress. This is stress that lasts for a longer period of time. You may have chronic stress if you have money problems, an unhappy marriage, or trouble at work. Any type of stress that goes on for weeks or months is chronic stress. You can become so used to chronic stress that you don't realize it is a problem. If you don't find ways to manage stress, it may lead to health problems.
STRESS AND YOUR BODY

Your body reacts to stress by releasing hormones. These hormones make your brain more alert, cause your muscles to tense, and increase your pulse. In the short term, these reactions are good because they can help you handle the situation causing stress. This is your body's way of protecting itself.

When you have chronic stress, your body stays alert, even though there is no danger. Over time, this puts you at risk for health problems, including: