Which chronic disease may be prevented by regular visits to the dentist

Fitness evaluations are usually design for certain group of people

Does anyone have an answer to this question? if so me.

Insulin is a peptide therapeutic used to manage type 1 diabetes, which affects more than 20 million people worldwide according to the international diabetes federation. a significant limitation to the broad distribution and use of insulin to treat type 1 diabetes is the fact that it must be administered by injection rather than orally. why is insulin administered by injection and not orally?