Olfactory receptors are not limited to your nose. You have them all over your body, including your blood. Now, synthetic sandalwood has been shown to promote cell death in cancer cells for patients with a certain kind of leukemia. This could open the door for a whole new kind of treatment.
It’s been known to cause cell death in my nose, too 😉
It’s extremely specific to that one type of cancer, which is understandable – cancer really is just a catch-all for unregulated cell growth. Different locations have different responses to therapy.