BIOLOGY | MEDICAL | HEALTH on Instagram: "As nicotine from cigarettes enters your brain, it triggers the release of dopamine, a neurotransmitter associated with pleasure and reward. This can lead to addiction. Nicotine also affects other brain chemicals, such as serotonin and GABA, influencing mood and behavior. Repeated exposure to nicotine can alter brain chemistry, making it harder to quit and increasing withdrawal symptoms. Dm for credit or removal 👏🏻🙏🏻 For educational purposes only………..