Heavy Long-Term Marijuana Use Does Not Impair Lung Function
Erowid Cannabis Vault : Health Effects : Media

*Researchers to test if cannabis ingredient can help COPD patients
Researchers to test if cannabis ingredient can help COPD patients: The Hempire - [cannabis, uk]

Vaporization as a smokeless cannabis delivery system
Clinical Studies and Case Reports

Smokeless Cannabis Delivery Device Efficient And Less Toxic
Smokeless Cannabis Delivery Device Efficient And Less Toxic

Recommendation to Patients: "Donā??t smoke, Vaporize"
CCRMG

Decreased respiratory symptoms in cannabis users who vaporize.
Decreased respiratory symptoms in cannabis users who vaporize.

Use of vaporizers reduces toxins from cannabis smoke
IACM-Bulletin

-Granny:hippy: