Which one of these is an outcome of healthy stress?

The outcome of healthy stress is improved concentration and performance. Healthy stress, often referred to as eustress, can serve as a motivating force that enhances focus and drives individuals to achieve their goals. This type of stress can be beneficial in situations such as preparing for a test, meeting a deadline, or participating in a competitive event. When faced with a challenge, the body experiences a heightened state of alertness and readiness, which can lead to increased productivity and the ability to perform tasks more effectively. In contrast, unhealthy stress often results in negative feelings, diminished performance, or a lack of motivation. Therefore, the positive effects of healthy stress can facilitate better concentration and overall performance in various aspects of life.