It is known to everyone that cigarette smoking is harmful and addictive. But very few know the risks of cigarette addiction. Smoking inflicts body with many irreversible damages and reduces the human life span by 25 years. Effects of Smoking on Body: Heart : Smoking is the biggest risk factor for all heart diseases. It accelerates the process of fat deposition in the inner walls of arteries (atherosclerosis). It increases blood pressure and heart rate. Not only these, smoking increases tendency for the blood to clot. It reduces the capacity of a person to exercise. (Exercises always keep heart healthy). Lungs : Smoking destroys small hairs present in upper parts of airways. In normal persons these hairs protect lungs from germs, dust and other harmful particles. When this natural cleaning system is damaged germs, dust, smoke and other harmful chemicals enter lungs causing infection, cough and lung cancer. The air sacs of lungs (alveoli) get permanently damaged causing difficulty in breathing. Digestive system: Smoking causes heart burn ,delays healing of peptic ulcers, increases risk of crohn’s disease and formation of gall stones. It affects liver and increases chances of stomach cancer. Legs: Smoking affects blood vessels of legs causing chronic pain in legs. This may further progress to cause gangrene of toes or feet. Eyes: The sensitive blood vessels of eye are easily damaged by smoking. This causes blood shot appearance of eyes and itching. In heavy smokers it may lead to degeneration and loss of eyesight. Smokers are at an increased risk of cataracts. Skin : Due to smoking the skin is deprived of oxygen and it loses its texture. An average smoker looks 5 years older than his healthy non smoking counterparts. The skin loses its healthy glow and takes on a yellowish-gray cast. The more cigarettes smoked, the worse skin will look. Wrinkles start appearing very quickly as smoking affects elastic tissues of skin. Bones: It accelerates the process of osteoporosis Cancer: Smoking causes cancer of lungs, larynx, oral cavity, pharynx, oesophagus and bladder. Tobacco smoke contains more than 60 substances which cause cancer. 87% lung cancer death occurs due to smoking. Reproductive system: Smoking reduces fertility in both men and women. In women: Smoking imbalances estrogen hormone in women. It causes dryness of vagina and reduces blood flow to genital organs. Women who smoke can get diseases of fallopian tubes and their egg production is affected. Smoking can cause abortion. It accelerates aging process and can cause early menopause. The growth of baby retards when mother smokes in pregnancy. It affects the brain development of baby and reduces IQ. This happens even when mother is a passive smoker. The chances of miscarriage, premature birth and fetal death increase. In men: Smoking impairs erections and can become a reason for erectile dysfunction. It also reduces sperm count and impairs sperm motility. But these are reversed after stopping smoking. Hence quit smoking. Quitting smoking has immediate as well as long-term benefits for you and your loved ones