chewing tobacco is good for you Quitting Chewing Tobacco | Dentcare
Description
This can help prevent sinusitis triggered by allergies

Int J Public Health 66:585434

Consistent with assumed-but rarely tested-causes of smoking reinforcement, sensory perceptions from a cigarette predict its relative reinforcing efficacy

Common examples of contact allergens include nickel, other metals, cosmetics, latex, and poison ivy
Who Is Most Likely to Start Smoking

This concern should be addressed in behavioral counseling and adjunct treatments for all smokers