It could be the flavor, too. There's a new thread over in H&S, person figured out it was a particular new eliquid they were using, the specific flavoring just doesn't work for them.
In my case I don't like high % VG, I get heaviness though it's nothing noticeable except when exercising. Others have it much worse. Some people have similar issues with PG, others with different flavors -- it can be with one specific vendor flavoring, or with a general class of flavorings.
Then again, as previously noted, it could always just be a bug, entirely external to vaping, or the "normal" blecch effects that a lot of us go through when we first stop smoking
In my case I don't like high % VG, I get heaviness though it's nothing noticeable except when exercising. Others have it much worse. Some people have similar issues with PG, others with different flavors -- it can be with one specific vendor flavoring, or with a general class of flavorings.
Then again, as previously noted, it could always just be a bug, entirely external to vaping, or the "normal" blecch effects that a lot of us go through when we first stop smoking