What's the relation of thalidomide to say the MMR vaccine? Besides being a red herring?
Check out this compliation of injuries from essential oils:
Top Ten Worst Injuries from Essential Oils of 2014—Part 2 — Atlantic Institute of Aromatherapy
Something tells me if I tried to use this as evidence that say, the other types of treatments your wife might advise are in fact ill advised, that you might have a problem with that loose association.
Proof that one should not just blindly ingest what Big Pharma is selling.