Charts Tracking Keywords on HubMed

I don't know if this has just been available a long time and I missed it, or what. But I thought it was kind of neat and I wanted to mention it here.

Are you familiar with HubMed? (http://www.hubmed.org.) It's an interface
to the medical literature search engine PubMed that's simplified and very easy to use. Nice if you're not a professional medical researcher and find the PubMed interface overwhelming. HubMed also offers keyword-based RSS feeds for tracking additions to its database.

HubMed also offers charts as well. Run a search. On the results page look to the right and you'll see a results count: "Results 1-20 of" however many results you got. Next to that will be a small chart icon.

Click on that and you'll get -- hey! -- a chart. The chart will show you how many papers containing that keyword have appeared over time, starting in 1975 and moving to current day. Obesity is an interesting one to check; it starts out with a gentle curve and shoots up around 2000. For an interesting chart that meanders up and down, check out a query for hypnosis.

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