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PMCID: PMC6486852

What are IQOS HEETS

This increases filtration of mainstream smoke where the rod is coupled to the filter Figure 1 illustrates a cross-section of a wide filter cigarette with a tapered filter according to an embodiment of the present invention Figure 2 illustrates a cross-section of a wide filter cigarette with a conical filter according to an embodiment of the present invention Figure 3 illustrates the filter rod profile according to the embodiment as per Figure 1 Figure 4 illustrates the filter rod profile according to the embodiment as per Figure 2 Figure 5 illustrates a cross-section of a wide filter cigarette, wherein the filter is attached to the tobacco rod via a coupler Figure 6 illustrates a cross-section of a wide filter cigarette, wherein the filter is attached to the tobacco rod via multiple wraps of tipping paper Figure 7 illustrates a cross-section of a wide filter cigarette, wherein the filter is attached to the tobacco rod via a cavity in the filter rod

Additionally, smoking contributes to bad breath, also known as halitosis

Normal acid production and movement through the stomach and esophagus gradually return to healthier patterns over time