Turns out, youre probably not even eating yams AT ALL on Thanksgiving .

The holiday is fast approaching, which means its almost time to head to the supermarket in pursuit of sweet potatoes and yams. But do you even know what a sweet potato or a yam really is? The truth is, you probably dont.

What you think of as a yam is probably not even a yam at all. It can all get very complicated , but weve got a pretty simple explanation for it all.

Watch the video above to find out more!