Here’s what yams really are, how they differ from sweet potatoes and why it's probably best to enjoy both in moderation.

That is a great question and it often comes up when sweet potatoes are discussed. Sweet potatoes are called yams because of a historical name mix-up, primarily rooted in the transatlantic slave trade ...

Our garden columnist is tackling a Thanksgiving debate: what is a sweet potato and what is a yam? And which one should you ...