"Martin and Dutrizac (2004) studied the relationship between the four styles of humor (affiliative, self-enhancing, aggressive, self-defeating) and empathy. They found that self-enhancing humor was positively correlated with the receiving and giving of
empathic responses and aggressive humor was negatively correlated with the giving and receiving of empathic responses."

"Affiliative humor and empathic concern (r = .23, p < .05) and self-enhancing humor and perspective-taking empathy (r = .28, p < .01) were significantly and positively correlated, partially supporting the first hypothesis. Self-enhancing humor was
significantly and negatively correlated with personal distress (r = -.34, p < .001), partially supporting the second hypothesis. The third hypothesis was supported by the significant and negative correlations between aggressive humor and perspective-taking empathy (r = -.40, p < .001), empathic concern (r = -.29, p < .01), and personal distress (r = -.20, p < .05). The fourth and fifth hypotheses involving self-defeating humor and empathic concern, perspective-taking, and personal distress were not supported." (Emphasis mine.)

So, it looks like some humor is good and some is bad?
Make of it what you will. :)