It may come as a surprise to you, but mild stress that lasts for a short period of time can really be beneficial to the body, and it can do so in multiple ways at the same time.
Increases performance by mobilizing energy resources, sharpening attention, and speeding up reactions. The release of adrenaline and cortisol results in greater performance. This helps to improve one's ability to deal with difficult activities.
Activates the brain: When confronted with a stressful circumstance, the brain works more actively, which leads to an increase in creativity and the ability to create solutions that are not conventional.
The immune system is strengthened by short-term stress, which activates the immune system and increases the body's resistance to harmful substances.