You haven’t provided any statements regarding collection practices.. So how am I able to actually answer this question? I am not.
This is partly true but migraines can also be caused by stress and anxiety.
I think they put flavoring in the liquid cartridges to make them more addictive. People are going to want the newer flavors because of the taste. Some people use them as coping skills or sometimes to be “trendy” or “cool”. E-cigarettes are very damaging to your lungs worse then regular cigarettes.