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.
Effects of Nicotine. Nicotine is the harmful, addictive substance found in all tobacco products. Nicotine travels through the body in the bloodstream and heads straight for the brain, arriving in 7 to 15 seconds. In the brain, nicotine boosts the âreward center,â releasing chemicals that cause a pleasant, happy feeling.