The question of whether a cupcake can be harmful or dangerous depends on what was used as ingredients to bake the cupcake. Cupcakes made with fattening additives of course are not healthy to consume, but fiber cupcakes can be a healthy snack.
cupcake(noun) Small cake baked in a muffin tin.
Cupcakes are made of ingredients such as flour, sugar, baking powder, salt,...
A baking cup is an accordion-sided paper or foil cup in which cupcakes and muffins...
A cupcake yummy! Eat it and spoil your lunch!!
I didn't eat it, I promise! I think it is still in the kitchen, on the counter.