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Description
Products such as E-cigarettes may be less harmful than smoking tobacco

Takenaka, M

On the other hand, it would have been interesting to perform a sensitivity analysis by breaking down participants by class or gender

Effects of Smoking on Testosterone Levels While the evidence regarding smoking's direct impact on testosterone levels is inconclusive, smoking has been associated with other negative impacts on male reproductive health

Trials start with people willing to try the trial intervention, whereas clinicians work with people who may be willing to try some options but not others

Their main purpose is to show how scholars are using data available from ICPSR in their primary and secondary analyses
