what is the use of tobacco Cigarette Smoking | Smoking and Mind Matters: The Body's Response
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Underlying Heart Problems Conditions like arrhythmias, heart disease, or previous heart attacks can cause the heart to beat faster than normal

Rebecca J Cheung, Eric K Gupta, Matthew K Ito

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Furthermore, the studies showed bias in exposure ascertainment, as it was not possible for interviewers to be blinded to the cases or control status

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Low-level background radiation is constantly present in the natural environment, both from cosmic rays from outer space and from radioactive material found throughout nature in the soil we tread on, the water we drink, and the air we breathe
