as for the assumption that fresh is healthiest, it turns out that frozen produce can pack a punch when it comes to nutrition. http://lm360.us/Gildea-grandpa-of-Mcalvain-from-Les-Choux?Naumanngr=259
"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." .