When it comes to maintaining your investment, the smartest money you spend could be on a new roof. Nationally, the average homeowner spends about $6,600 to install a new roof, with certain cities like Denver ($7,500) being higher than average, and others being below average like Austin, TX ($6,100).
Calcium and Potassium. The minerals calcium and potassium also contribute to kidney function. The podocyte cells in your kidneys rely on both calcium and potassium to help control blood filtration, according to a study published in the Journal of the American Society of Nephrology in 2004.
Cranberries. Cranberries can help your kidneys fend off infection, according to David B. Jacoby, co-author of Encyclopedia Of Family Health.. Cranberry juice prevents bacteria from clinging to the membranes that line the urinary tract.