Page 45 - Prevention - USA (April 2020)
P. 45

Keep ’Em Happy
          1    What They Do                                      3
          As blood passes            you have the right bal-     Every year after your 30th
          through these bean-        ance of water, salts,       birthday, your kidneys lose
          shaped organs, which       and minerals (electro-      a little bit of their filtering
          sit toward the back of     lytes) in your blood,       power. “By itself, that almost
          your abdomen, it is        says Michal Melamed,        never causes problems,”
          scrubbed of cellular       M.D., an associate          says Donna Hanes, M.D., a
          waste products. Your       professor of medicine       clinical associate professor
          kidneys handle about       and epidemiology            at the University of Maryland
          half a cup of blood        and population health       School of Medicine. But
          per minute! They also      at Albert Einstein          high blood pressure, obesity,
          put out hormones that      College of Medicine.        and diabetes can cause
          control red blood cell     Because electrolytes        serious kidney issues. Smart
          production, vitamin D,     help maintain muscle        kidney moves:
          and blood pressure.        and nerve function,         • Keep your BP in a healthy
          When they are unable       lots can go wrong if        range through exercise and
          to filter your blood        your kidneys slack          a nutritious diet.
          (which can happen as       off: Too little of the      • Drink plenty of water to help
          you age or if you have     mineral potassium           flush out excess minerals that
          an infection or other      can cause cramping,         can ball up and create kidney
          kidney damage) or fail     twitching, or muscle        stones. (They’re not just a
          to properly produce        weakness, while             guy problem—about one
          hormones, blood            too much sodium             in 10 women under 70 will
          pressure can soar. The     may lead to foot and        develop them.)
          pair also ensure that      ankle swelling.             • Don’t smoke or drink
                                                                 a lot of alcohol. Smoking can
                                                                 slow blood flow, while alco-
          2    Why Just One Is OK                                hol dehydrates the body.

          We usually have two kidneys, but it’s not              • Avoid long-term use of
          essential to have both. In fact, about one in          painkillers. After 10 days,
          1,000 people is born with only one kidney and          aspirin and ibuprofen can
          leads a long, healthy life. Also, many people          limit blood flow to the
          opt to give a kidney to someone in need. In that       kidneys and cause harm.
          case, the newly solo kidney will develop bigger        • Treat a urinary tract
          filters to take on the larger load. But folks           infection (UTI) right away.
          who have one kidney are at a higher risk of            It could make its way up
          hypertension and kidney disease later in life,         to the kidneys, creating
          so it’s especially important for them to have          scarring, and raise your
          regular checkups.                                      risk for kidney disease.


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