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Normal, healthy Tetrahymena are constantly in motion, but when the e-cigarette vapor is added, the cells quickly stop swimming and fall to the bottom of the drop, unable to move. ASSET developed the module with funding from the NIH Science Education Partnership Awards (SEPA) program to Dr

The colour of the pack makes a difference, says Ayo-Yusuf

Known e-cigarette chemicals also have been shown in the lab to be toxic to endothelial cells that line the inside of blood vessels, said Robertson

Smoking burns tobacco and produces a smoke that is inhaled into the lungs

All these risks can worsen the symptoms and complications of diabetes