You see, the heart is red. If you are imbalanced in the heart, it would become less red, and the goal is to make it more red. Eating red colored food should fix this according to Chinese medicine.

The heart specialist doctors will die reading this. :D And why not eating a gallon or two of red color instead? that would fix heart quickly, i think.
And also what should we eat if there is problem with nails?

This series is getting really interesting now. I'm wondering about how come people spend millions of dollars believing these? They must have alien-borne minds.