We used Cox proportional hazards models, adjusted for age, race/ethnicity, marital status, education, income and region to estimate hazard ratios (HRs, 95% confidence intervals, CI) for mortality from all causes, heart diseases, malignant neoplasms, cerebrovascular disease, chronic lower respiratory diseases and two mutually exclusive categories: smoking-related and other diseases
However, they emphasize potential health risks, especially with long-term use, and call for more research on effects like respiratory symptoms, lung damage, and mental health issues
A similar, smaller study, published in 2012, found that non-smokers given nicotine patches saw improvements in memory, attention and reaction times
Brinker for Android and iPhones
Agh, thats squirrel season