I have this chart that states the blood sugar levels of 2 individuals. Why is it important that the two people have the same mass?

It isn't. What point is the chart trying to make?

Overhweight people have a greater risk of having high blood sugar, but the definition of "high" is the same.

Thanks

I forgot to mention that one person was diabetic and the other was not. Is the body mass still not important ?

Having the same mass for the two individuals is important because it helps ensure that the comparison of blood sugar levels is not affected by factors such as body size or metabolism rate. When comparing blood sugar levels, it is crucial to control for these variables to accurately assess the impact of other factors, such as diet or insulin production.

To understand why mass matters in this context, let's consider the role of body size and metabolism in blood sugar regulation. Blood sugar levels are primarily controlled by the hormone insulin, which helps regulate the amount of glucose (sugar) in the bloodstream. The body's metabolism, which varies with individual traits like body size and composition, affects how efficiently insulin is produced, released, and utilized by the body.

If the two individuals in question have different masses, factors such as body size, composition (such as distribution of muscle and fat), and metabolism rate can influence blood sugar levels independently of other factors being compared. For example, a person with a larger mass may have higher blood sugar levels due to a larger volume of blood circulation or a greater demand for glucose by the body.

By controlling for mass, we can focus on comparing blood sugar levels while minimizing the influence of body size and metabolism differences. This enables us to isolate the effects of other variables of interest (e.g., diet, medication, exercise) on blood sugar levels accurately. Therefore, having the same mass helps ensure that any differences observed in blood sugar levels are more likely to be genuinely attributable to the factors being studied rather than being influenced by variations in body size or metabolism.