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Unveiling the surprising link between smoking and hormone levels

When receptor proteins on limbic system nerve cells are exposed to high levels of dopamine neurotransmitter molecules for prolonged periods of time, the nerve cells turn down the volume of the signal by lowering the number of receptor proteins on their surfaces

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Add CBS News on Google These days, parents are a bit more attuned to the suffocation risks posed by the plastic bags, along with the dangers posed by other household items

But is vaping better than smoking cigarettes, as you may have heard