Formulators carefully adjust moisture levels, pH, and flavoring components so that different strengths still provide a predictable release curve
And, without the proper checks and controls in place, illegally produced tobacco has been found to contain dangerous levels of cadmium, lead and tar, as well as human faeces, dead flies and mould
Bull riding
Conventional smokers with arterial hypertension that switched to e-cigarettes showed improvements in systolic and diastolic blood pressure (168)
Damage: carpet, burned by incense, area similar to dollar coin
In these cases, professional guidance is essential to weigh risks against any potential benefits