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   the nose knows

It's a poorly kept secret that dogs are generally more accurate in making initial diagnoses of the early stages of human disease, and that early diagnosis saves lives.


By Mark Anderson

I once had the pleasure of having a long dinner conversation with Nobelist Linda Buck, who may know more than anyone else in the world about the science of the human olfactory system. I am quite used to (and really enjoy) long scientific deep dives over a good meal, but I don't mind saying that I was racing to stay with her as she described olfaction.

Here's the short summary: it is much more complex than you currently imagine.

I've refreshed my understanding for this week's discussion, and here are a few additional waypoints worth sharing: