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It is given that there is a correlation between two variables; body weights and blood. Higher body weights are associated with higher blood pressure levels.

It is a general idea that if two variables are correlated, one may not cause the other to occur. It is established on the idea of lurking variables that may affect the relationship.

It is given that if weight increases, the blood pressure level also increases.

Therefore, there is a positive correlation between body weight and blood pressure.

However, this does not necessarily mean that an increase in blood pressure is caused due to an increase in weight.

The increase in blood pressure may be due to other factors such as genetics, excessive smoking, and alcohol consumption or age. These are potential lurking variables of the study.

Therefore, a correlation between body weight and blood pressure does not necessarily imply that one causes the other.