1. The functions of nicotine include relaxing mood, relieving pain and losing weight, because it affects the activities of the central nervous system and has certain pharmacological effects.
2. Nicotine is addictive and dependent, easily addictive and has no clinical value.
Nicotine is harmful to the body, which may cause abnormal dopamine secretion, heart disease and cancer, so it needs to be treated with caution.
1. Stimulate the central nervous system: Nicotine can promote the release of neurotransmitters such as dopamine, norepinephrine and epinephrine, thus increasing heart rate and blood pressure and generating excitement.
2. Relieve tension and anxiety: Nicotine can release some neurotransmitters, such as dopamine and endorphins, thus relieving emotional states such as tension and anxiety.
3. Improve attention and memory: Nicotine can promote the activity of acetylcholine neurons, thus improving the cognitive functions of the brain, such as memory and attention.
4. Relieve pain: Nicotine can activate the endorphin system, thus relieving pain.
5. Improve metabolic rate: Nicotine can promote the oxidation of adipose tissue, improve metabolic rate, and thus lose weight.
6. Suppress appetite: Nicotine can affect the neurons in the appetite center, thus suppressing appetite.
7. Improve athletic ability: Nicotine can increase muscle contractility and endurance, thus improving athletic ability.
But nicotine also has adverse effects, including cardiovascular system and respiratory system, as well as long-term effects on central nervous system and reproductive system. Therefore, reducing nicotine intake is beneficial to health.