Hi there Hal,
This site is not set up with discussion groups exactly. Each article on the site allows visitors to leave comments, and often that turns into a kind of discussion group, which is great. So for now, we’ll call that a discussion group, because that’s basically what you mean by the list of comments after each article.
To find the discussion group you are interested in, you have to find the article you made the comments under, in this case the article on salt.
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