Addiction can develop even before the consequences feel severe or obvious
The evidence isnt quite damning, both studies on Diacetyl in e-cigarettes have been small, but all three studies are showing a pattern of what Diacetyl could do if inhaled for long enough
Instead, encourage him, be patient with him, and give him all the support he needs
BOPP film is produced by a tubular process, in which a tubular bubble is inflated, or a tenter frame process, in which a thick extruded sheet is heated to its softening point (not to the melting point) and is mechanically stretched by 300-400%
An MRTP approval is still a decision that allows tobacco consumers to use products authorized by the FDA that are smoking alternatives like e-cigarettes, which are currently in a state of more aggressive regulatory uncertainty, as I noted