does tobacco decrease testosterone Smoking and T Levels: What Happens After You Quit Smoking Does Smoking Increase Your Testosterone?
Description
Personal choices aside, whats most important is that smokers stay educated on the various tools and methods available to them, and the respective differences

Normal exercise (not immediately before testing)

A population-based survey of patients' perceptions of health care provider-delivered smoking cessation interventions

doi: 10.1016/j.neuropharm.2007.09.007
BS: Investigation, Writing review & editing