What are the long-term health effects of smoking?
Long-term smoking can lead to chronic health issues including lung cancer, chronic obstructive pulmonary disease (COPD), heart disease, stroke, and a variety of other cancers. It also contributes to respiratory infections and reduces overall life expectancy by damaging nearly every organ in the body.
How does smoking affect cardiovascular health?
Smoking damages blood vessels, increases heart rate and blood pressure, and leads to plaque buildup in arteries, which can cause atherosclerosis. It thus significantly increases the risk of cardiovascular diseases, including heart attacks and strokes. Smoking also lowers levels of good cholesterol and increases blood clotting, further harming cardiovascular health.
How does smoking impact lung function and respiratory health?
Smoking damages lung tissue, leading to chronic bronchitis, emphysema, and decreased lung function. It reduces lung capacity, causes inflammation, and increases mucus production, making breathing difficult. Smoking also heightens the risk of respiratory infections and lung cancer, significantly impairing overall respiratory health.
How does smoking influence mental health?
Smoking can exacerbate mental health issues by increasing anxiety, depression, and stress. Nicotine temporarily enhances mood, but long-term use may worsen these conditions due to withdrawal symptoms and neurochemical changes. Additionally, smokers are at a higher risk of developing mental health disorders, creating a detrimental cycle.
How does smoking affect pregnancy and fetal development?
Smoking during pregnancy can lead to complications including preterm birth, low birth weight, and developmental issues for the fetus. It increases the risk of miscarriage, stillbirth, and birth defects such as cleft lip. Nicotine and toxic chemicals in cigarettes restrict blood flow and oxygen supply to the fetus.