Prevent Kidney Disease
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New York, NY (April 17, 2013) – Poor eating habits, smoking and obesity are associated with increased risk for kidney disease, according to new research published today online in the National Kidney Foundation's American Journal of Kidney Disease.
Researchers led by Alex Chang, MD, MS of Johns Hopkins University found that people with normal kidney function whose diet quality was poor—high in red and processed meats, sugar-sweetened beverages and sodium, and low in fruit, legumes, nuts, whole grains and low-fat dairy—were more likely to develop kidney disease. Only 1% of individuals with no unhealthy lifestyle-related factors developed protein in their urine, an early indicator of kidney damage. That is compared with 13% of participants with three unhealthy lifestyle factors such as obesity, poor diet and smoking.
Obese people - those with body mass index (BMI) over 30 -- were twice as likely to develop kidney disease. An unhealthy diet independently impacted risk for chronic kidney disease even after adjusting for weight and other lifestyle-related factors.
Researchers also noted an association between those who currently smoke and the development of chronic kidney disease. Those who smoked were about 60% more likely to develop kidney disease.
In the first study to examine kidney disease risk factors in healthy young people, researchers used longitudinal data spanning 15 years on over 2,300 black and white adults, aged 28-40 from the Coronary Artery Risk Development in Young Adults (CARDIA) Study.
"Unlike family history of kidney failure, diet, smoking, and obesity are modifiable lifestyle factors that we can all control. By eating well, quitting smoking, and maintaining a normal weight, people can protect their kidneys and prevent future damage," says Dr. Chang.
Overall, those who developed kidney disease were more likely to be African American, living with diabetes or high blood pressure, have a family history of kidney failure, and consumed more soft drinks, red meat, and fast food than those who did not develop kidney disease.
"In the United States, 26 million adults are living with chronic kidney disease. We need to shift the focus from managing chronic kidney disease to preventing it in the first place. Using this study as evidence, we can encourage changes in individual lifestyle choices and behaviors, and ultimately prevent people from developing kidney disease," says Dr. Beth Piraino, National Kidney Foundation President.
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The National Kidney Foundation (NKF) is the leading organization in the U.S. dedicated to the awareness, prevention and treatment of kidney disease for hundreds of thousands of healthcare professionals, millions of patients and their families and tens of millions of Americans at risk. For more information on kidney health visit the National Kidney Foundation at www.kidney.org.