"if the battery in a mechanical mod over-discharges and the device doesn't contain enough air holes to allow the battery to vent, there is a risk of explosion.".
one downside to existing drugs that prevent migraine is they can cause unpleasant side effects like..
225,000 deaths a year at the hands of modern medicine. two to four million maimings. 2.25 million deaths per decade. the crown is responsible..