Oxidative stress is an imbalance between harmful free radicals (reactive oxygen species) and protective antioxidants in the body, leading to cell and tissue damage. It is caused by factors like pollution, smoking, and poor diet, contributing to chronic diseases such as cancer, diabetes, and Alzheimer’s. Antioxidants are compounds, including vitamins C and E, that stabilize free radicals and prevent this damage. Causes: Natural metabolic processes, environmental toxins, cigarette smoke, inflammat