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Many sites claim that Aloe Vera can cure diseases and sicknesses such as Arthritis and prevent diseases such as cancer. Is there any scientific merit at all to all those claims?

Example sites:

Natural News

How Stuff Works

A simple Google search reveals hundreds of sites like that.

  • I added references, I think the question should be reopened. – Hello World May 9 '14 at 9:56
  • "Unclear what you're asking"? I don't see how can it get any clearer than "Does Aloe Vera cure diseases?" – Hello World May 10 '14 at 10:54
  • The claim should be more specific... which disease? It may be that Aloe Vera can cure hiccups, but can't cure cancer. So the claim should be made more specific. – Flimzy May 13 '14 at 22:01
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From The National Center for Complementary and Alternative Medicine: http://nccam.nih.gov/health/aloevera

What the Science Says: Aloe latex contains strong laxative compounds. Products made with various components of aloe (aloin, aloe-emodin, and barbaloin) were at one time regulated by the FDA as oral over-the-counter (OTC) laxatives. In 2002, the FDA required that all OTC aloe laxative products be removed from the U.S. market or reformulated because the companies that manufactured them did not provide the necessary safety data. Early studies show that topical aloe gel may help heal burns and abrasions. One study, however, showed that aloe gel inhibits healing of deep surgical wounds. Aloe gel has not been shown to prevent burns from radiation therapy. There is not enough scientific evidence to support aloe vera for any of its other uses.

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  • +1, although some primary evidence (i.e. peer-reviewed studies, which should be easy enough to find) would be a nice addition. – nico May 7 '14 at 16:21
  • I found an interesting study on aloe toxicology, but it's behind a pay-wall. – ZSH May 7 '14 at 21:53
  • If CAM people themselves admit that there is no evidence for it, that seems pretty conclusive to me ;-_ – hdhondt May 7 '14 at 23:17
  • @hdhondt: oh, sure, I am not contesting that. It's just that having a primary source in addition to that would make the answer even better, that's all! – nico May 8 '14 at 9:10

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