On the other hand, what I found (and this has been proven) is that hospitals are using essential oils more and more.
indeed, they also use unconventional means such as hypnosis, meditation, homeopathy, osteopathy or even, for some, magnetism. The world has changed since the 19th century of Pasteur and his disciples and the younger generations are more open to other means and methods than those taught by dinosaurs at the end of their careers, locked in their conditioning. Hence this maxim "The truth never triumphs, but its adversaries always end up dead."
"We make science with facts, like making a house with stones: but an accumulation of facts is no more a science than a pile of stones is a house" Henri Poincaré