When people hear the word “stress”, they usually think of something bad. , stress is good for the body and mind sometimes. First, people may feel stressed there is something important to do. For example, some are stressed before an important exam. The stress might make them feel , but this kind of stress can help people work efficiently(高效地) to meet their goals. Second, stress can keep us . Scientists find a little stress can make the immune system(免疫系统) stronger. When your body learns to respond(反应) to some stress, it's able to protect you illness., stress may help us respond to . If you see a car coming around the corner too fast, this stress sends a message warn your brain of danger, allowing your body to respond quickly. Without the stress, you may not jump out of the car's way.
Of course, too much stress is to our bodies and minds. But the right amount of stress makes us healthier and safer.
