Real public health explained at human scale.
At best, of only passing interest in most of the weird world of tobacco control. At worst, something to mobilise against with billionaire backing.
Very easy to forget after 13 years since stopping 🚬, the frustration/exhaustion of previous years lack of sleep caused by constant coughing via cataarh n phlegm....... symptoms disappeared within a couple of weeks after switching to a Vape.
Other conditions experienced, similarly improved but rather less obviously immediate or apparent.