The findings were telling: After inhaling each type of vape or smoke, blood flow in the femoral artery slowed significantly.

Going forward, Manna wants to compare the toxicity of various vaping products by looking at gene expression and proteins ...

The research comes from a study that has not been published in a peer-reviewed journal but will be presented at the annual meeting of the Radiological Society of North America in Chicago in December.

Researchers have identified acute effects of cigarette and e-cigarette smoking on vascular function, even without nicotine.

Vaping has an immediate effect on how well the user’s blood vessels work, even if the e-cigarette doesn’t contain nicotine, according to new research.