Recently I was sharing essential oil information at a health and wellness fair. At my table, I was diffusing Frankincense (Boswellia carterii) essential oil (EO). Aside from the wonderful smell, people were asking me about its uses. I was familiar with EO users talking about its immunity support and had heard stories of cancer patients using it but had no factual data on the subject. So I went to PubMed and looked it up. I found multiple articles, many too technical for my purpose. However, I did find a study done in the UK that used aromasticks in a cancer clinic with very good results:
So indeed, factual data does exist!