Consumers allocate their income between two kinds of consumption: consumption that. is perfectly visible to society, denoted by v; and consumption that is perfectly non-visible. to society, denoted by w. Since neither an individualâs income y nor consumption of w is.
Yes, creatine levels can fluctuate. The levels of creatine in your body will change based on many factors, including diet, exercise, medications and overall stress levels. Creatine is a molecule found within the body, and is developed simply by the food that you consume. This food turns into energy as it metabolizes.
Creatinine levels relate to both muscle mass and to kidney function. As you age, your muscle mass decreases but your kidneys tend to function less effectively. The net result is not much change in creatinine levels in the blood as you get older.