You can access these through your Web browser. The easiest way is to go to Liszt or Dejanews and type in your choice. As with all things on the Internet, you are dealing with unknown sources. Anyone can post anything in an unmoderated newsgroup. For example, sales pitches, gibberish and insults make their way into newsgroup and mailing list content.
Most groups do have rules of etiquette, but it is up to everyone involved to follow the rules.
It is common practice for salespeople to pose as patients on newsgroups. If you want to read what people are saying about a product or treatment, do a Web or Usenet newsgroup search for the name or phrase. As always, apply rules for credibility. If you get an error message when trying to connect, you may not be able to access newsgroups. Check with your service provider .