According to Doctor Harsha Mandadi Varadaraju of Amrita Hospital, India, kidneys continuously filter waste, remove excess fluid, regulate blood pressure, and support bone health. However, certain daily eating and lifestyle habits can increase pressure on these organs over time.
Consuming too much salt
The World Health Organization (WHO) recommends that adults consume less than 5 g of salt daily. However, the sodium content from processed foods, snacks, pickled foods, or a habit of heavy seasoning can cause intake to far exceed this recommendation.
Excess salt consumption can increase blood pressure, a leading cause of kidney damage. Prolonged high blood pressure places greater strain on the small blood vessels in the kidneys, impairing their filtering capacity. Doctor Varadaraju recommends limiting processed foods, packaged goods, instant noodles, and snacks, emphasizing that pink or sea salt are not inherently healthier as they still contain sodium.
Not drinking enough water
Prolonged dehydration can lead to concentrated urine, allowing minerals to crystallize into kidney stones. According to Mayo Clinic, drinking enough water is one of the simplest ways to reduce the risk of kidney stone formation.
Light yellow urine typically indicates adequate hydration, while dark yellow urine may signal dehydration. Adults generally need about 1,8 to 2 liters of water daily, with those active outdoors or sweating heavily potentially requiring more.
Excessive protein intake
Many individuals increase protein intake for weight loss or gym training, but excessive consumption can force kidneys to work harder to process protein metabolic byproducts.
Doctor Varadaraju states that healthy individuals typically require about 0,8 to 1 g of protein per kg of body weight daily. Those engaged in high-intensity training may need more, but individuals with kidney disease should be cautious with high-protein diets. Mayo Clinic warns that for people with existing kidney damage, consuming too much protein can accelerate the decline of filtering function.
Over-reliance on processed foods
Sausages, cold cuts, canned goods, soft drinks, and instant foods often contain high levels of sodium, sugar, or additives. Regular consumption can increase the risk of high blood pressure, diabetes, and obesity, all factors closely linked to chronic kidney disease. Prioritizing fresh, home-cooked meals and limiting sugary beverages is advisable to reduce strain on the kidneys.
Consuming many potassium or phosphorus-rich foods
Some foods contain high levels of potassium or phosphorus, minerals that weakened kidneys struggle to excrete effectively. Diets for individuals with kidney issues require medical consultation rather than following online trends. Maintaining a healthy weight, exercising regularly, limiting alcohol, and undergoing routine health check-ups can safeguard long-term kidney function.
Bao Bao (Compiled)
