Weight cycling and can be avoided by maintaining weight cycling and can be avoided by maintaining promotes loss of fat cells; negative energy balance is repeated weight gain and loss; maintaining energy balance teaches a person how to eat healthfully; negative energy balance closes the energy gap associated with weight loss; positive energy balance

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?