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Retrohaling involves exhaling a portion of the smoke through your nose without inhaling it into your lungs

Babies are at increased risk because of how much time they spend on the floor and how much they put in their mouths

Abbreviations COPD: Chronic obstructive pulmonary disease EVALI: E-cigarette- or vaping-product-associated lung injury Gly: Glycerol HBEC: Human bronchial epithelial cells LDH: Lactate dehydrogenase H2AX: Phosphorylated histone H2AX PARP: Poly (ADP-ribose) polymerase PG: Propylene glycol SAEC: Small airway epithelial cells SEM: Standard error of the mean References Grana R, Benowitz N, Glantz SA

Lovely fragrance, very well made, but a bit too sweet for my taste