First, it is necessary to note that to chew bubble gum without harm for health it is possible no more than 10 minutes and necessarily after meal, instead of between receptions of food, because at chewing a plenty of gastric juice begins to be developed. And chewing bubble gum is forbidden to who has mobility of teeth, inflammation of joints of a jaw.
Bubble gum consists of many substances harmful to you. And than more bubble gum you chew, the more harmful substances gets in your body.
It is urgently recommended to not give bubble gum to children and to not accustom them to it, because children can swallow it. Instead of bubble gum you can give children chewing sweets without sugar.
Remember, it is better to clean teeth or to rinse a mouth, than once again to chew a bubble gum.