From what we can understand so far, nicotine is the only potential factor that could contribute to hypertension and narrowing arteries, but even that is not 100% certifiable
However, whether you plan to use NRT or Nicotine Electronic Cigarettes , its wise to consult professionals for the best solution suited for you
Since we were only able to analyze the butts of the provided study cigarettes, we dont know the nicotine intake or smoke exposure from these other cigarettes. It is possible that participants smoked non-study cigarettes more intensely
You already know that SHS is carcinogenic and strongly correlates with various cancers especially lung cancer (7,000 SHS deaths per year), but also lymphoma, leukemia, cancers of the brain, throat, bladder, rectum, stomach, etc but what about other diseases