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.
Many believe nicotine is a direct cause of depression. This is due to nicotineâs effects on the dopamine levels in the brain. Smoking tobacco may temporarily increase levels of dopamine. Therefore, it increases a personâs feelings of pleasure and well-being. Eventually, these levels fall to abnormally low levels, causing the person to feel unhappy.