Why salt is bad. The amount of salt you eat has a direct effect on your blood pressure. Salt makes your body hold on to water. If you eat too much salt, the extra water stored in your body raises your blood pressure.So, the more salt you eat, the higher your blood pressure.The higher your blood pressure, the greater the strain on your heart, arteries, kidneys and brain.This can lead to heart attacks, strokes, dementia and kidney disease.alt makes your body hold on to water. If you eat too much salt, the extra water stored in your body raises your blood pressure. So, the more salt you eat, the higher your blood pressure.
Signs and symptoms of acute kidney failure may include: Decreased urine output, although occasionally urine output remains normal Fluid retention, causing swelling in your legs, ankles or feet
Common kidney cancer symptoms. The most common sign of kidney cancer is blood in the urine, known as hematuria. Other possible kidney cancer symptoms may include: Persistent pain in the side of the abdomen or the back, which is not the result of an injury. A mass or lump in the abdomen. Feeling fatigued.