A viral video claims vaping destroys dopamine in the brain and increases your blood flow which can cause a heart attack. These risks are overstated, and vaping can significantly reduce the risk of heart disease when used to help quit smoking.
The UK Vaping Industry Association told Full Fact that comparisons of vapes to cigarette equivalents are difficult and not standardised. It told us that nicotine content in cigarettes varies widely, as does nicotine absorption from the two methods. Measurement of puffs is also not standardised, and many people use vapes differently leading to problems comparing them on this basis.
Full Fact was unable to find the specific brain imaging from the video, and no source is provided. In isolation, these brain scan images don’t tell us anything as we do not know what the colours represent.Dopamine is a neurotransmitter—a chemical released by neurons to send signals to other cells. It is involved in multiple brain pathways including those related to behavioural
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