If you know that the cartridge is pretty fresh and the battery recently charged then it's likely because you are puffing too much
2001 Cancer Res 61 : 43504356 Vineis P, Marinelli D, Autrup H, Brockmoller J, Cascorbi I, Daly A, Golka K, Okkels H, Risch A, Rothman N, Sim E, Taioli E
A clinical study found that tobacco-free individuals exposed to secondhand e-cigarette aerosols for 30 min reported respiratory and ocular symptoms and that throat irritation persisted beyond the exposure window (161)
Done it so many times, just need to zero it, a man said
These guidelines can help you regain control over anxiety
Further information can be found on the Indoor Smoking Act section of the New Hampshire Department of Health and Human Services website