tobacco heating product Heated Products Increase Risk of COVID-19 Infection Smoke without fire? Researchers question

I was smoking the legalized stuff for about a month or so, and I got just as sick as when I was smoking street weed, not even knowing whats in it. As for why it afflicts some heavy users but not others, Verbora thinks it may come down to individual genetic differences in response to cannabis much as the same joint can make one person excitable and another sedated

C., Heil, A

Environmental conditions such as humidity, the efficiency of the urban cleaning system in reducing the resistance of littered filters, the difference in the quality of the filter and tobacco, and the difference in smoking behaviors were effective in this variation

Galobardes, B