Kidneys play a vital role in keeping the body healthy. They work like a water filter by removing waste and excess fluid from the blood while maintaining the right balance of sodium, potassium and other important substances.

They also produce hormones that help regulate blood pressure and support strong bones. An estimated one in 10 people worldwide suffers from chronic kidney disease. Poor eating habits can also increase the risk of kidney problems.

Here are some common foods and drinks that may be harmful to kidney health when consumed in excess.

Too Much Salt

Eating too much salt can increase blood pressure, which may damage the kidneys over time.

A high-salt diet can also increase the risk of kidney stones, which can cause severe pain.

Too Much Sugar

Excessive sugar intake can raise blood sugar levels and increase the risk of kidney problems.

High sugar consumption may affect kidney function and can also cause changes in kidney size.

Sugary Drinks

Soft drinks and other sugary beverages may also be harmful to kidney health.

Research has found that consuming large amounts of sugary drinks may increase the risk of chronic kidney disease.

Red Meat

Foods rich in animal protein, including red meat, may put extra pressure on the kidneys.

The kidneys have to work to remove waste produced when the body processes protein. Eating large amounts of animal protein may therefore increase the workload on the kidneys.

People who already have kidney problems may need to limit their intake of high-protein animal foods, depending on their doctor's advice.

Caffeine

Caffeine found in tea, coffee and some soft drinks may also affect the kidneys.

High caffeine intake can increase blood pressure and may put additional stress on the kidneys. Excessive caffeine consumption has also been linked with kidney stones.

Ultra-Processed Foods

Foods high in salt, sugar and unhealthy fats can be harmful to kidney health, especially when consumed regularly.

Ultra-processed foods include bread, fast food, sweets, candies, cakes, salty snacks, breakfast cereals, chicken and fish nuggets, instant noodles, sugary drinks and soft drinks.

A balanced diet, moderate salt and sugar intake, and adequate hydration can help support kidney health.

Note: This article is based on information published in medical journals. People with kidney problems should consult a qualified doctor before making major changes to their diet.