For example, secondhand smoke exposure has been found to be causally linked to stroke, lung cancer, and other disease in adults and lower respiratory illness in children (Ref
Smoke and Mirrors: One Case for Ethical Obligations of the Physician as Public Role Model Cambridge Quarterly of Healthcare Ethics , Volume 18, Issue 01, January 2009, pp 95100
doi: 10.1016/j.taap.2016.10.008 185
Individuals who had any history of vaping had 4.9 times higher chance of smoking cigarettes as opposed to individuals who had no history of vaping
Essentially, this means that young people associate more pleasure with taking in nicotine, leaving them with a far greater addiction than an adult who starts smoking later in life
Nicotine and Testosterone Relations Understanding the relationship between nicotine and testosterone can shed light on whether smoking has an impact on hormone levels