The early e-liquids were made of two main ingredients: propylene glycol (PG) and vegetable glycerin (VG)
To assess the sensitivity of the pooled results to high-weight studies, the pooled ORs and heterogeneity were recalculated after excluding the three highest-weight studies (21, 27, 24)
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This makes them convenient for teens to use without detection
Many actions can help to protect young people from the harms of e-cigarettes, such as including e-cigarettes in smokefree indoor air policies, restricting youth access to e-cigarettes in retail settings, licensing retailers, and setting specific package requirements
It involves naming five things you can see, four things you can touch, three things you can hear, two things you can smell, and one thing you can taste