Health & Medical Hypertension

What Are the Causes of Hypertension in African Americans?

    Background

    • Hypertension has been a chronic health disorder in the African-American community for years. Doctors have worked to determine why the condition impacts so many African-American people regardless of their weight, lifestyle or overall health.

    Salt-Sensitive Gene

    • Many African-Americans have a salt-sensitive gene that increases the risk of developing hypertension. The salt-sensitive gene causes the kidneys to retain sodium which causes the blood pressure to rise.

    Aldosterone

    • Aldosterone is produced by the kidneys in many African-Americans. Aldosterone inhibits the excretion of sodium and water; instead, it aids in the excretion of potassium which causes blood pressure to rise.

    Risks

    • Due to the high prevalence of hypertension, African-Americans are more likely to have heart disease, stroke, kidney disease and vision problems.

    Treatment

    • The salt-sensitive gene and aldosterone cannot be treated with exercise and dietary changes alone. The condition requires prescription medication to allow the body to properly regulate blood pressure levels.

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