tobacco pests and diseases Brown Spot of Pests of the Season |

As interpreted by FDA in guidance, the phrase harmful and potentially harmful constituents (HPHCs) refers to any chemical or chemical compound in a tobacco product or in tobacco smoke that is, or potentially is, inhaled, ingested, or absorbed into the body, including as an aerosol (vapor) or any other emission

This is troubling

These studies were focused on levels of well-known HPHCs in comparison with other tobacco products

In their study, the scientists accused Philip Morris of dancing around the definition of smoke and argued that there can be smoke without fire. Philip Morris has posted an academic rebuttal online, questioning the Swiss studys methodology and interpretation