The kidney is one of the essential organs of the body. It is linked to pathologies of other organs and can be damaged irreversibly, which may result in dialysis or transplant.
Thus, there are certain precautions one can take:
Quit smoking/recreational drugs
A balanced diet: Low salt, low carb, balanced protein, balanced acidity, calcium-rich.
Lose weight in a safe manner, avoid diet pills/crash diets
Drink copious amounts of water, especially in the summers.
Read food labels of all food to know the sodium content