At least having a hefty portion of greens won't push you over into diabetes, hypertension, obesity etc. Most other foods come with their own issues. Even if you maintain the rest of your diet, simply increasing the intake of greens will have a very beneficial all-round effect. Remember, chlorophyll and hemoglobin are only different in the element bound to them. Chlorophyll has magnesium, and hemoglobin has iron. Remember when you used to hear about athletes getting blood infusions to up their performance?