ACS ES&T Air 1 , 332345 (2024)
A stool sample may be requested as well in order to rule out infections like Helicobacter Pylori
These are the only e-cigarette products that currently may be lawfully sold in the U.S.

The data shows the amount of a Hoffmann analytes found to be present in smoke extracted from a test smoking article under Health Canada Intensive conditions SS rod / KS filter (test) KS rod / KS filter (Ci) SS rod / SS filter (C2) KS rod / SS filter (C3) Total Normalised data Total Normalised data Total Normalised data Total Normalised dat Constituent amount amount amount amount () Tar Nicotine () Tar Nicotine () Tar Nicotine () Tar Nicoti Phenol 4-82 0.42 3-57 i9.o6 0.88 7-30 16.30 1.17 7.87 46.03 1.60 16.99 m-cresols 1.03 0.09 0.76 36 0.17 1.38 2.83 0.20 1-37 7-63 0.27 2.82 o-cresol 1.11 o.io 0.82 4-23 0.19 1.62 3-51 0.25 1.70 9.92 0.35 3-66 p-cresols 2.72 0.23 2.01 9-68 0.45 3-71 8.08 0.58 3-90 20.75 0.72 7.66 NFDPM 11-58 21.70 13-91 28.72 Nicotine 1-35 2.6l 2.07 2.71 CO 10.32 17.11 10.60 19-04 Water 6-35 11.65 9.90 i8.i6 TPM 19.28 35.96 25.88 49-59 Table 3: Hoffmann Analyte data at HCI conditions (HCI), namely a 55ml cigarette puff, lasting for 2 seconds, taken every 30 seconds, with filter ventilation blocked

Also spray it near outdoor lights, around which male cockroaches fly
They found little to no difference in adverse events (e.g., dry mouth or throat, nausea, headache, insomnia, irritability, cough, shortness of breath) compared with control groups