Question: what is the single most healthy food to eat?
Answer: SPINACH. This nutrient-dense green superfood is readily available - fresh, frozen or even canned. ... 
BLACK BEANS. Filled with super healthy antioxidants, black beans digest slowly - keeping you feeling full for longer. ... 
WALNUTS. ... 
BEETS. ... 
AVOCADO. ... 
DARK CHOCOLATE. ... 
RASPBERRIES. ... 
GARLIC.