The opposite can be true; i.e., people with large muscle mass sometimes have elevated CK levels in the absence of any pathology. This particular enzyme falls into a category where an individual's own normal is more relevant than the normal range given for a population.
1 If the demand increases, and the supply remains the same, there will be a shortage. 2  This will mean the price will increase. 3  If the demand decreases, and the supply remains the same, there will be a surplus. 4  This will mean the price will go down.
Factors. A demand curve can shift to the left for a wide variety of reasons. A negative product review can reduce consumer demand for an item, shifting the demand curve to the left. Similarly, a government health warning about an item also can reduce demand and shift the curve. Simple competition also can cause the demand curve to shift left, as consumers stop buying one product in favor of a newer, more desirable item.