copenhagen pulses tobacco Long Cut Straight Tobacco, Smokeless Copenhagen (tobacco) - Wikipedia

As the use of snuff increased, darker handkerchiefs with patterns became popular, so snuff stains would be less visible

Regardless of the method or frequency of smoking, the inhalation of tobacco smoke exposes the body to a wide range of toxic chemicals and carcinogens, leading to serious health consequences

Although smoking rates have fallen globally but still smoking is likely to remain a leading cause of preventable death throughout this century unless smoking cessation efforts can significantly and rapidly reduce the number of people who smoke, particularly in the developing countries [128]

This combination creates a paradoxical effect: users may feel simultaneously relaxed and focused, an attribute that partly explains its widespread use for stress relief