man smoking cigarette images cigarettes, illustration - Stock Image - C048/1201 Portrait of a Chinese man

In a chemistry lab at NDSU, they analyzed 70 e-liquid refills with nicotine and determined that in many cases, the nicotine content was not labeled correctly on the bottle

Men rotate their arm at the elbow, keeping their palm inward, and lowering their hand to mid-torso

Participants with histories of major illnesses, other substance abuse (besides nicotine), psychotropic medication use, neurological and psychiatric diseases, and systemic diseases (i.e., diabetes or hypertension) were excluded

Research shows that aerosol from e-cigarettes can contain harmful chemicals, including nicotine, ultra-fine particles that can be inhaled deep into the lungs, flavoring such as diacetyl, which is a chemical linked to a serious lung disease, she said