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.
Nicotine itself is not especially harmful, apart from being an addictive drug. However, the chemicals associated with nicotine intake, whether smoking or smokeless, cause a variety of diseases including lung cancer, mouth cancer, heart disease, emphysema and chronic obstructive pulmonary disease (COPD). 9 people found this useful.