Low Dose of Stress Strengthens Immunity

It is well known fact that chronic stress is destructive for the body, however, low doses of stress may be helpful. According to a research, acute stress has positive effects on human nature, makes him more accurate and punctual, and sets up his immune system.

During experiments scientists subjected participants to small stress by making them solve simple and difficult tasks, and then invited them to play a game connected with the ability to share. It turned out that those who experienced more stress, were more friendly, generous and trustworthy.

Acute stress helps to better memorizing, say scientists from Buffalo University, USA. Experiments were performed on rats and they showed that stressed animals digest information more quickly and do reproduce it more exactly. The point is that stress hormone cortisone has protective effects on prefrontal parts of brain cortex which controls emotions and learning.

Low dose of stress strengthens the immune system. Review of 300 scientific works showed that chronic stress weakens defense mechanisms of the body making it more vulnerable to infections. Short-term stress trains the immunity, making it more willing to fight pathogens.