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Our recent analysis of respiratory symptoms showed that the vast majority of both the vaping and control cohorts rarely or never experienced respiratory symptoms

Sample size We conducted a within-subject pilot study where 40 respondents rated outcome measures from 6 HWLs (including the 3 in this study)

Simple breathing exercises, meditation, progressive muscle relaxation, or guided imagery before bed can slow the nervous system down and reduce the urge for a bedtime cigarette. Many people find that even five minutes of focused breathing lowers heart rate and quiets intrusive thoughts