This can lead to high blood pressure, which can cause other problems. Too much sodium in the blood is a condition called hypernatremia. Too little sodium in the blood is a condition called hyponatremia.
Craze lines are  minor cracks that are superficial and affect the outer enamel of the tooth only and are common in all adults. These lines do not cause any pain and hence no treatment is needed. They mainly occur due to the normal wear and tear on teeth.
A trend line, often referred to as a line of best fit, is a line that is used to represent the behavior of a set of data to determine if there is a certain pattern. A trend line is an analytical tool used most often in conjunction with a scatter plot (a two-dimensional graph of ordered pairs) to see if there is a relationship between two variables. Let's take a quick look at the main purposes of a trend line: 1. Determining if a set of points exhibits a positive trend, a negative trend, or no trend at all. Looking at the red trend lines in the examples illustrates various relationships with sets of data. 2.