Kidney health
31st Dec, 2022

 

The kidneys are two bean-shaped organs that act as a filter system for your body (1). They remove waste products from the blood via urine; produce and regulate hormones that control blood pressure, red blood cell production and calcium uptake; regulate blood pH (the acidity or alkalinity of blood); control the levels of various substances in the blood; and balance body fluids (1). They are located just below the rib cage, on both sides of your spine.   

About 1 in 10 Australian adults show evidence of kidney disease (2). Types of kidney diseases include kidney stones, urinary tract infections, glomerulonephritis (inflammation of the kidney's filters) and chronic kidney disease, which is a progressive disease that increases in severity over time (2,3). Kidney failure occurs when the kidneys are no longer able to remove waste products from blood (1).  

Risk factors, including high blood pressure, diabetes, frequent urinary tract infections (UTIs), obesity, heart issues, smoking, older age, and excessive alcohol intake, increase the risk of kidney disease (3,4). Poor kidney health may manifest as concentration difficulties, fatigue, changes in urination, swollen ankles, puffiness around the eyes, low appetite and muscle cramps (4,5).     

You can improve your kidney function by reducing alcohol and sugar intake, minimising toxin exposure, maintaining a healthy diet, regularly exercising, managing blood pressure, and staying hydrated (3,4). A range of herbs and nutrients are available to help support and enhance your kidney health (6,7,8,9). 

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References
1Wallace MA. Anatomy and physiology of the kidney. AORN J. 1998 Nov;68(5):800-20.
2Healthdirect Australia. Chronic kidney disease [Internet]. 2021 [cited 2022 Nov 30]. Available from: https://www.healthdirect.gov.au/chronic-kidney-disease
3Kalantar-Zadeh K, Jafar TH, Nitsch D, Neuen BL, Perkovic V. Chronic kidney disease. Lancet. 2021 Aug 28;398(10302):786-802.
4Romagnani P, Remuzzi G, Glassock R, Levin A, Jager KJ, Tonelli M, et al. Chronic kidney disease. Nat Rev Dis Primers. 2017 Nov 23;3:17088.
5Webster AC, Nagler EV, Morton RL, Masson P. Chronic kidney disease. Lancet. 2017 Mar 25;389(10075):1238-52.
6Chen YQ, Chen HY, Tang QQ, Li YF, Liu XS, Lu FH, et al. Protective effect of quercetin on kidney diseases: From chemistry to herbal medicines. Front Pharmacol. 2022 Sep 2;13:968226.
7Das S. Natural therapeutics for urinary tract infections-a review. Futur J Pharm Sci. 2020;6(1):64.
8Khan MA, Kassianos AJ, Hoy WE, Alam AK, Healy HG, Gobe GC. Promoting plant-based therapies for chronic kidney disease. J Evid Based Integr Med. 2022 Jan-Dec;27:2515690X221079688.
9Lin PC, Chou CL, Ou SH, Fang TC, Chen JS. Systematic review of nutrition supplements in chronic kidney diseases: a GRADE approach. Nutrients. 2021 Jan 30;13(2):469.