We need humor because we need laughter. It’s a part of what it means to be human, and I believe it’s a great gift from God. Researchers have found that laughter has health benefits beyond the psychological well being it generates. From WebMd.com In the last few decades, researchers have studied laughter’s effects on the body and turned up some potentially interesting information on how it affects us:   Blood flow. Researchers at the University of Maryland studied the effects on blood vessels when people were shown either comedies or dramas. After the screening, the blood vessels of the group who watched the comedy behaved normally — expanding and contracting easily. But the blood vessels in people who watched the drama tended to tense up, restricting blood flow.   Immune response. Increased stress is associated with decreased immune system response, says Provine. Some studies have shown that the ability to…