In the short term it is regulated by baroreceptors which act via the brain to influence nervous and endocrine systems. Blood pressure that is low due to a disease state is called hypotension, and pressure that is consistently high is hypertension. Both have many causes and may be of sudden onset or of long duration. Long term hypertension is a risk factor for many diseases, including heart disease, stroke and kidney failure.
Decrease your sodium intake. An excessive amount of salt in the body will absorb water and cause you to retain water. Consequently, to avoid water retention, moderate the amount of sodium you eat on a daily basis. Many processed foods are high in sodium, and will cause you to exceed your daily recommended sodium intake.
By Nabaht Shafiei. If you're suffering from edema - a condition of swelling due to water leaking into cells and tissues from the bloodstream - you may consider avoiding foods that cause water retention. While many factors can lead to water retention, studies have revealed nutritional intake high in sodium contributes significantly.