Stress affects our whole body assuming significantly increased levels of adrenaline, heart rate and blood pressure, muscle tension, the couple breathing speeds up, sharpen the senses and diminishes the role of the immune system. Threatening situations that require immediate reaction produced remarkable mental changes, increases their ability to think and your brain becomes more efficient, making decisions faster, improve memory, attention, and is more concentrated. After a stressful situation is exhaled a sigh of relief and begin to breathe slowly and deeply, the body returns to a more relaxed state. For example, after avoiding extremist in a serious car accident, says a and may wobble a bit. Then your body starts to calm down.

Negative effects of stress Stress is notorious negative impacts such as mood swings (anxiety, anger, irritability, restlessness ) Diseases (asthma, back pain, digestive problems, migraines, muscularesa ) Changes in behavior (changes in sleep habits, emotional outbursts, scream ) Physical signs (nails and skin, hair touching, shaking legs, touching the face ) When stress levels are similar to the demands of the activities or work, you feel better about yourself, and performs works best more. Insufficient stress is just as damaging to the excessive level of stress, since both cases result in underperformance. Therefore, the management or control or inappropriately appropriate stress levels, directly affect a positive or negative performance. Although most people seem to act and perform better under a certain pressure or excessive prolonged stress can clearly worse performance.