us bureau of alcohol tobacco firearms & explosives ATF Dept of Alcohol, Tobacco, Firearms

As e-cigarettes are a relatively recent phenomenon, there are no long-term studies that can establish their safety

The study provides some information about the effects of cannabis on the oral environment, but the reliability of the results can be questioned due to presence of confounding factors such as the concurrent use of other recreational drugs

Ethnopharmacol 65 (3), 243256

Ask them about how they feel about smoking

The plants contain compounds that enhance the consumers alertness, energy, euphoria, and relaxation

Symptoms include: Inflammation in the mouth Inflammation in the throat Ulceration in the stomach Roundworms (Ascarids) Roundworm is especially dangerous for horses with a weak immune system, like foals and older horses