In addition to a black mouth and a total inability to taste anything else for a day, the only adverse effect I've heard of is lower potassium levels, but you'd have to eat a LOT. Clinically, this is not very significant as the homeostatic mechanisms in the body would usually correct this imbalance rather quickly.
Elevated cortisol levels leading to moon face and water retention.
you may throw up
Excessive use may raise blood pressure, cause water retention, headache, and potassium loss. Deglycyrrhizinated licorice extract for treatment of peptic ulcer eliminates side effects possible. And more . . .
there are no side effects what so ever
None. There are no side effects to eating ice cream on a regular basis.
Dying
Its pretty much the same effects as if you were to smoke some really good weed. Except for it lasts a bit longer.
smelly breathe?
Bad breath
Extremely rare allergic effects on some persons.
citron is a citrus fruit and has no known adverse effects.
you can get fat or get diabetes
Face eating.
Yes. Too much eating of grapes will get you drunk since grapes contain a percentage of alcohol that might led you too much sleep.