How to tell: monitor grades and focus; nicotine can affect attention and memory

https://go.chinesewire.com/article/Zeptives-Industry-Leading-Vape-Detectors-Get-Major-Software-Upgrade-for-Easier-Management?storyId=68a5129a2ccae40002d54ce5

How to tell: monitor grades and focus; nicotine can affect attention and memory, leading to subtle but noticeable academic declines quickly.