Alcohol and cigarettes may feel normal, but inside the body they trigger serious damage from the very first use. Toxic chemicals reduce oxygen in the lungs, overload the liver, and strain the heart. As these substances reach the brain, neural signals slow down, affecting memory, focus, and decision-making. Over time, this silent damage becomes long-term and difficult to reverse. This video exposes the hidden internal effects of alcohol and smoking on the human body. #AlcoholAndSmoking #healthawareness #braindamage #lungdamage #liverdamage #hearthealth #addictionawareness #medicalanimation #humanbody #healthshorts