Answer:Smoking has severe and widespread effects on the body, impacting nearly every organ system. The consequences range from immediate effects to long-term, life-threatening diseases. Immediate Effects: Within seconds of inhaling smoke, toxic chemicals reach the brain, heart, and other organs. These chemicals trigger immediate changes, including increased heart rate and blood pressure. Nicotine, a highly addictive substance, creates a temporary sense of relaxation and pleasure, but this is quickly followed by cravings. Smoking also acts as an appetite suppressant . Long-Term Effects: Prolonged smoking significantly increases the risk of numerous diseases: - Cancer: Smoking is a leading cause of many cancers, including lung, throat, mouth, bladder, kidney, liver, stomach, pancreas, cervix, bowel, and more,,. Lung cancer is particularly prevalent among smokers .- Cardiovascular Disease: Smoking damages blood vessels, leading to atherosclerosis (plaque buildup), increased blood pressure, irregular heart rhythms, and higher risk of heart attacks and strokes,,, .- Respiratory Diseases: Smoking causes chronic bronchitis, emphysema, and chronic obstructive pulmonary disease (COPD), .- Other Health Problems.Hoping that it helps