You may find this scenario familiar: speaking among friends or colleagues about a particular subject, someone new to the group expresses their complete doubt over its authenticity or legitimacy. They may try to categorize your discussion as that of “fringe” science or research, saying the term with a condescending attitude. In this situation I would advise you to be open to criticism but firm in your beliefs; impress upon the skeptic the existing scientific data to back up the claim. I’d also implore you to ask the skeptic to take the following steps if they want to get a better understanding of paranormal and fringe sciences.
(thnaks to Lesley Gunter at The Debris Field for link)