笑吧，老师们，笑吧（2）

    ho so seriously? my recommendation is simple—laugh, teachers, laugh!

    psychologists have long believed that negative emotions cause negative chemical changes in the body. ood sense of humor has better healing qualities. laughter actually relaxes the muscles, sloher stirs the inside and gets the endocrine2 system moving,  disease. laughter also relieves boredom, tension, guilt, depression, headaches, and backaches.

    each time you chuckle or “crack up”, your brain releases the body’s natural pain-killing hormones. those hormones trigger the release of endorphines, natural opiates that can reduce pain. these same hormones are responsible for making the eyes sparkle and getting the brain to hter can produce a great deal of relaxation. s you  before.

    happiness and self-esteem are closely related. laughter iven moment because you knoh rather than cry at daily frustrations.

    laughter is good general physical exercise. it exercises the heart, improves circulation, and gets rid of excess air in the lungs. recent studies have shoood laugh provides a mini-reat deal of stress hter,  of the attitudes.” he continues to say, “if you stand rigidly in the face of stress, you are much more easily knocked off balance. if you are flexible mentally, you are in a much better position to roll  periodically, or it hter unstrings our boh laughter, there is more time and energy left to learn and create. the teacher and students feel a freedom that encourages divergent thinking and creativity.</p>

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