When i think about food, why do i smell it? I don't know why my body does this but when I think or read about food, it's like I can smell it and almost taste it. Why?

I believe this has to deal with the connections your brain makes that associates the olfactory stimulation with the particular food. I'm no expert but I hope this helps

Explanation:

Don't worry, I do this too.

Explanation:

So this is nothing irregular, your brain and cranial nerves just work way more when you think about certain things, and they bring memories of the way things smell to your mind. They're pretty much saying, "Oh hey I remember this, I'll show this to you so you can see it too."

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