by Amanda Li The world has been too sad recently with all the clamor, stress and distrust. Can we just take things easier and laugh more? Laughter is said to be a panacea, and is also infectious. This is healthy to us and also can improve our moods. Image via Wikipedia Laughter is like any cold or flu, it is contagious! However, it is harmless and it even connects people together. When we laugh, we feel relaxed. There is no longer sadness nor depression. Laughter do exert positive effects...