They begin to subside somewhat after a week and even more after a month
For EVCs, a Korean nationwide population-based study using cross-sectional data from the period 20132015 (n=14738) found that their use was significantly associated with components of metabolic syndrome, including abdominal obesity, high triglycerides, and high fasting blood glucose 18
If coughing is severe, ongoing, painful, or comes with chest tightness, wheezing, shortness of breath, dizziness, or feeling unwell, stop using the product and speak with a healthcare professional
If it gets worse after use near smoke , its the residue
More details about the valence of the keywords can be found in the Supplementary Material