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DOC2US Your trusted online doctor Smoking shrinks the brain and drives up Alzheimers risk, new study finds Vaping can have a significant impact on brain health. Nicotine reaches the brain within seconds and releases dopamine, creating a strong sense of reward that encourages repeated use. Over time, this can Sex Differences in the Brain's Dopamine Signature of Cigarette Smoking Journal of Neuroscience It causes brain damage!! : r stopsmoking When you inhale a cigarette, thousands of toxic chemicals enter your body, triggering immediate reactions in your brain and respiratory system. Nicotine reaches the brain in under 10 seconds,
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