We're diving into the vital role of your kidneys, essential organs that work tirelessly behind the scenes. Last week, we explored the lungs—now, let's uncover what your kidneys do and why they're crucial for your health.
Also read: 'This is what your intestines do for you'
Your kidneys sit at waist level, tucked inside your back behind the lower ribs. Most people are born with two healthy kidneys, though some have just one. If disease affects one or both later in life, a transplant from a donor—sometimes a family member or friend—can restore function. Remarkably, one healthy kidney is enough to support a full, active life into old age.
Kidneys act as your body's master filters, using about a million tiny filters to cleanse blood of waste products, producing urine as the end result—which you excrete to complete the cycle. Beyond filtration, they regulate blood pressure, produce hormones that maintain red blood cell levels, and balance your body's fluids and salts. These multitasking organs are true powerhouses.
When kidneys underperform, waste builds up, essentially poisoning the body from within. Symptoms often appear late, after significant damage has occurred. In the Netherlands alone, around 1.7 million people live with chronic kidney disease, primarily driven by diabetes and high blood pressure. If these conditions affect you or run in your family, regular kidney function checks are wise.
Supporting kidney health starts with moderation—especially salt intake. While salt is necessary, decades of overconsumption strain these organs. Opt for low-salt cooking and scrutinize food labels when shopping to make smarter choices.
