drugstore beetle vs cigarette beetle and Beetles Cigarette Beetle vs Drugstore Beetle:

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This represents the most dramatic change in the history of the United States efforts to curtail smoking, because its the first time health warnings on smoking were selected because of effectiveness instead of political acceptability, says Matthew Myers, president of the Campaign for Tobacco-Free Kids in Washington

Immune system changes Chemicals in cigarette smoke may stimulate special immune cells known as B cells and T cells and cause them to attack the body, resulting in autoimmune diseases (diseases where the immune system attacks itself)

Air Purifiers: Active Continuous Removal While DIY methods work in bursts, an air purifier attacks smoke particles and odor compounds continuously

PMID 12707498