Control of ghrelin secretion remains poorly understood. Other hormones that influence it's secretion include estrogen and leptin, but a comprehensive understanding of, for example, short term control of secretion from the stomach, is lacking.
You're not alone. Many Americans do not even know their own score, much less how it compares to other borrowers. But your credit score falls into one of the following broad categories. A score of 750-840 is generally considered Excellent credit. A score of 660-749 is considered Good credit. 620-659 is average credit. Anything below that is considered Poor credit, and probably indicates that you have a history of late payments or other black marks on your credit report, such as an outstanding loan or default.
How to Build Good Credit. A good credit score is an essential part of getting good loans and evening the playing field with lenders. The average FICO credit score for Americans is roughly 720, meaning that half of Americans have a worse credit score and half have a better score.