Immune system diseases (If you have kidney disease due to lupus, your doctor will call it lupus nephritis.) Long-lasting viral illnesses, such as HIV/AIDS, hepatitis B, and hepatitis C. Pyelonephritis, a urinary tract infections within the kidneys, which can result in scarring as the infection heals.
By Dr Ananya Mandal, MD. Nicotine has strong mood altering effects and can act on the brain as both a stimulant and a relaxant. Once within the bloodstream, nicotine may circulate around the body until it reaches the brain.
Your heart is one of the most important parts of the body to be affected by the stimulant nicotine. Your heart rate can increase as part of a craving or during use, often while you are smoking. Your body reacts to the drug being introduced into your system by pumping up your heart rate.