Remember, the less blood goes to the kidneys, the worse they work. Nicotine is one of the causes of decreased blood flow throughout the body and in particular to the kidneys. So, the kidneys will not work accurately. And you may face many difficulties time to time. If you don’t give up this bad habit than maybe it leads you to the kidney failure. Your kidney’s health effect by smoking and it can also a cause for kidney stones if you know what does a kidney stone look like?