"How much do I love dark chocolate? Let me count the ways... (Apologies to Elizabeth Barret Browning.) Dark chocolate can improve brain health, more specifically cognition and memory. Chocolate is also what’s called a prebiotic, it increases good bacteria and improves gut health. Dark chocolate also contains polyphenols, which prevent oxidative stress and oxidative stress contributes to the aging process. But as I mentioned in my previous chocolate article, not all chocolate is created equal."