Excess alcohol consumption can cause negative effects on the kidneys by increasing the chances of chronic kidney diseases and might also lead to kidney stones. 

Overusing over-the-counter pain medicines can also lead to bad kidney functions. They can cause damage if used improperly. 

Obesity can lead to high blood pressure and diabetes which are major contributors to kidney issues. 

Taking too much sodium can lead to kidney stones and other complications. Try to consume less than 1,500 mg of sodium in a day for healthy kidneys. 

Drink plenty of water, especially on hot days, to keep your body hydrated and all functions running smoothly. But don’t overdo it, as it can put excess pressure on the kidneys. 

Smoking is not just harmful to the kidneys but the overall health of the body. Smoking can cause harm to blood vessels which can restrict the flow of blood to kidneys.