1. What are Physical Withdrawal Symptoms of smoking?

1. Increased appetite.n2. Headache.n3. Fatigue.n4. Constipation.n5. Nausea.n6. Insomnia.n7. Cough.

2. What are Mental and Emotional Symptoms of smoking?

1. Irritability.n2. Anxiety.n3. Depression.n4. Difficulty concentrating.

3. How does smoke affect the lungs?

Cigarette smoke increases the size and number of mucus-producing cells in the lungs, resulting in excess mucus production that the lungs cannot effectively clear out. It causes coughing and an increased risk of lung infections. Smoke damages the lung tissue, which results in decreased oxygenation to different organs. It also causes faster ageing of the lungs.

4. How does smoke affect the heart?

Smoking increases heart rate, causes irregular heart rhythm (arrhythmia), and stiffens blood vessels. Nicotine thickens the blood, which tends to form clots inside the arteries. Cigarette smoke also causes inflammation and swelling of the cells lining the walls of the blood vessels.

5. How does smoke affect your skin?

It narrows the skin's blood vessels, which results in impaired oxygen supply and nutrition to the skin. Such oxidative damage causes premature skin ageing.

6. How does smoke affect the bones and teeth?

It impairs the absorption of calcium. Also, nicotine damages the osteoclast's bone-forming cells, decreasing bone density. It also diminishes the production of calcitonin, a hormone that helps build bones. It increases the levels of cortisol, the hormone that causes bone breakdown.