Introduction Kidney failure is considered one of the serious diseases that directly affects human life, as the kidneys lose their ability to perform their essential functions, such as filtering toxins from the blood and regulating the balance of fluids and electrolytes in the body. Kidney failure is classified into two main types: acute kidney failure, which occurs suddenly, and chronic kidney failure, which develops gradually over time. ⸻ First: Kidney Functions and the Importance of Their Health The kidneys play a vital role in maintaining the body’s internal balance, as they function to: Eliminate waste and toxins through urine Regulate blood pressure Control levels of salts and minerals such as sodium and potassium Produce important hormones that help in the formation of red blood cells When these functions are impaired, serious symptoms and complications begin to appear. ⸻ Second: Causes of Kidney Failure There are many causes of kidney failure, the most prominent of which include: Diabetes, which leads to damage of the kidney blood vessels Chronic high blood pressure Recurrent kidney infections Improper or excessive use of certain medications Severe dehydration or urinary tract obstruction ⸻ Third: Symptoms of Kidney Failure Symptoms vary depending on the severity of the condition, and the most common include: General fatigue and weakness Swelling of the feet and face due to fluid retention Decreased or altered urine output Nausea and loss of appetite Difficulty concentrating and dizziness ⸻ Fourth: The Impact of Kidney Failure on Human Health Kidney failure significantly affects various body systems, leading to: Accumulation of toxins in the blood, causing internal poisoning Blood pressure imbalance and cardiovascular complications Bone weakness due to disrupted mineral balance Anemia due to reduced erythropoietin hormone production Reduced quality of life and the need for continuous treatment such as dialysis ⸻ Fifth: Treatment and Prevention Methods Treatment depends on the stage of kidney failure and includes: Medications to control the underlying cause Dialysis in advanced stages Kidney transplantation as a definitive solution for some patients Prevention includes: Drinking adequate amounts of water Reducing salt intake Controlling diabetes and blood pressure Avoiding random or excessive use of medications ⸻ Conclusion Kidney failure is a disease that requires significant health awareness, as many cases can be prevented through a healthy lifestyle and early detection of kidney problems. Therefore, maintaining kidney health is essential for preserving overall body health and ensuring a better quality of life. Prepared by Ms. Tabarak Ahmed Turki First University in Iraq Al-Mustaqbal University The