Chocolate contains over three hundred known the sechemicals.
Like a drug, these chemicals stimulate areas of the brain that enable us to feel most well known chemical is caffeine, which is also found in coffee, tea, and some types of soda.
Theobromine, a weak stimulant, is present in higher amounts than caffeine.
It is believed that the combination of these two chemicals causes the temporary"lift" we experience after eating chocolate.