Some of the consequences it can lead to is hypertension. Hypertension means that a person has high blood pressure (3). If a person has high blood pressure it means that their blood has to pump blood through the body at a higher pressure than a person with normal blood pressure (3). The reason this happens is because water stays in the body and causes the amount of blood in the arteries to increase, making even the smallest arteries smaller in size and the blood flow needs a greater amount of pressure to pass through