The study finds that e-cigarette use is associated with smoking status. In addition, e-cigarette use is associated with heavier smoking and with fewer periods of smoking abstinence.

According to the of the grant proposal, the research question that the lab team is proposing to investigate is as follows: "The goal of this application is to determine the effects of Third Hand Smoke on wound healing. ... It is known that first-hand smoke and secondhand smoke (SHS) inhibit wound healing but nothing is known about the effects of third-hand smoke (THS) on wound healing. ... To address this problem, we will use mice, expose them for 6 months to THS present in their cages and, at the end of the exposure period, we will perform wounds on their backs and study the time course of healing by examining not only the wound areas but also the properties of the tissues."

Smoking status was then assessed at the time of the interview to determine the rates of successful quitting during the most recent quit attempt, comparing the three groups: (1) e-cigarettes only; (2) NRT only; and (3) no cessation aids. The total sample size was 5,863.

I got curious and after getting a cup of coffee, I did a bit of research and some reviews on what everyone else thought about the caffeine infused E-Juice. And sure enough a lot of people said the same thing; however some people claim to experience headaches as well. I was fortunate to not be one of these people, but I can definitely see this happening considering caffeine (as well as a lot of other items such as bananas and even chocolate) is a trigger food for migraines. My father suffered from very intense migraines while I was growing up and I remember distinctly a long list of food items and coffee was definitely on this list.

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