Nicotine creates pleasant feelings in the mind and body. When you use tobacco, your brain releases neurotransmitters such as dopamine, a feel-good chemical. This creates a brief sense of contentment and pleasure.
But besides nicotine, tobacco and smokeless tobacco contain many cancer-causing agents and other harmful chemicals. Almost 4,000 chemicals found in tobacco have physical , mental, and psychological effects. Tobacco use leads to serious health complications, including:
- lung cancer
- emphysema
- chronic bronchitis
- cancer, especially in the respiratory system
- leukemia
- heart disease
- stroke
- diabetes
- eye issues, such as cataracts and macular degeneration
- infertility
- impotence
- miscarriage and pregnancy complications
- weakened immune system
- cold, flu, and respiratory infections
- loss of sense of taste or smell
- gum disease and dental issues
- the appearance of premature aging
- peptic ulcer disease
- osteoporosis
Pharmacologic effects of Nicotine
When humans, mammals, and most other types of animals are exposed to nicotine, their heart rate, the rate of heart muscle oxygen consumption, and the volume of heart stroke increase. These are known as pharmacological effects.
Psychodynamic effects
Consuming nicotine is also linked to raised alertness, euphoria, and a sensation of being relaxed.
Memory and Concentration
Studies have shown that nicotine seems to improve memory and concentration. This is thought to be due to an increase in acetylcholine and norepinephrine. Norepinephrine also increases the sensation of alertness or arousal.
Reduced anxiety
Nicotine results in higher levels of beta-endorphin, which reduces anxiety.
Side effects
Nicotine has a wide range of side effects in most organs and systems.
The circulation of blood may be affected in the following ways:
- Increased tendency to clot, leading to a risk of harmful blood clots
- Atherosclerosis, in which the plaque forms on the wall of the artery
- Aorta enlargement
Side effects of the brain include:
- Dizziness and light-headedness
- Irregular sleep and disturbed sleep
- Bad Dreams and Naughty
- Possible restrictions on blood
Nicotine may have the following effects in the gastrointestinal system:
- Nauseas and vomiting
- Dry mouth, or xerostomy
- Indigestive
- Péptic ulcers
- Diarrhoea
- Heartburn
After taking nicotine, the heart can experience the following:
- Change in heart rate and rhythm
- Increased blood pressure
- Constrictions and coronary artery disease
- Higher risk of stroke
If a woman smokes while pregnant, the following risks are likely to occur in the development of the child:
- Obesity
- Blood pressure is high
- Type II Diabetes
- Respiratory Difficulty
- Infertility:
- Issues of brain development
- Behavioral problems
Secondhand Smoke
Smokers are not the only ones affected by tobacco smoke. Second-hand smoke and vapor is a serious health hazard for non-smokers, especially children. Non-smokers with high blood pressure or high blood cholesterol are at an even higher risk of developing heart disease when exposed to second-hand smoke. Second-hand tobacco smoke contributes to thousands of premature heart disease and lung cancer deaths. Studies show that the risk of developing heart disease is about 25-30% higher among people exposed to environmental tobacco smoke at home or at work. Secondhand smoke also promotes illness. Children of smokers have many more respiratory infections than children of non-smokers.
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