The total effect (TE) of household SHS exposure among adolescents was decomposed to natural direct effect (NDE) and natural indirect effect (NIE), with two mediators (asthma status, self-reported smoking status) conditioned on two pre-exposure covariates (sex, nativity)
Some sources claim it refers to potiguaya , a Spanish word for marijuana, but there is little evidence for this
Because caffeine is known to disturb calcium metabolism, a study was recently conducted to explore the effects of caffeine abstinence on blood pressure
He said he felt that they were faintly affronting
For light smokers who quit before reaching eight pack-years, theres good news
Some people claim they can help with productivity and energy, while others use them as a vaping or smoking alternative, still getting their all-important nicotine fix