Organizing and combining pages for SEO

We have over 500 pages of informational articles on a variety of topics, mostly these nine: Diabetic Health & Diet, Dialysis Health & Diet, Low Sodium Diet, Portion Control, Renal Health & Diet, Seniors Health & Diet, Glutenfree Diet, Low Carb diet, General  Health & Diet.

The urls are attached. (pages.txt)

The question I have is, for SEO, would it be better for me to combine similar articles, and then redirect the old articles to the new page?  As opposed to leaving them as they are.

Thanks in advance.
Melody ScottAsked:
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David S.Commented:
Shorter pages are often better (from a user perspective). I recommend adding a list of related articles at the bottom of each.

Prioritize doing things to help your readers over making changes for SEO.
Melody ScottAuthor Commented:
"Average content length for Page 1 results is around 1,900 words, according to a 2016 study. " - I am trying to consolidate similar articles for readers, but also trying to rank.

A wonderful article is not worth anything if readers don't see it.
Melody ScottAuthor Commented:
Hi, Just wondered if you had a comment on my response? Thanks
David S.Commented:
That's a good article, although I question the choice of "Statistics Don’t Lie" as a heading.

If you want to make changes to your content to merge multiple short articles into longer, unified articles, go for it.

I do not consider myself an SEO expert, nor am I aware of any that participate regularly here at EE.

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Melody ScottAuthor Commented:
Thanks for your input.
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