One of my hardest working and favorite clients is a Russian woman who has repeatedly told me that potatoes (regular white potatoes) are a staple in the Russian diet. Because of this, potatoes have remained part of her meal planning when consulting with her about her diet.
She also has no interest in eating sweet potatoes. Which, here in the US, we tend to look at as a super food. Interestingly enough, I found an article comparing the two.
Where it seems we have always been steered towards sweet potatoes as being the "healthier" choice, this simple infographic shows why you should include both in your diet.
Just like what happened in the picture above, maybe both cultures can learn something from each other.