know the hot chocolate twice a day over the course of a month they doubled the number of stem cells with eating dark chocolate increase your stem cells themselves are important as we age because they are placed damage cells with new healthier cells good news is the study was done at the university of california davis to show those who drank a drink with over seventy percent of cow had twice as many stem cells there's also additional research which shows that eating dark chocolate and increase your blood flow meaning it will decrease your risk of stroke it is also an anti-inflammatory there of course needs to be additional research but so far it's looking like eating greater and seventy percent of cow dark chocolate does have health benefits and is tasting pretty sweet