[mewzilla]

Absolutely true, but no business around here routinely tests for it since it's legal and can be used without abuse. BTW...

Cannabinoid hyperemesis syndrome ...

Mysterious Marijuana-Related Illness Popping Up In Emergency Rooms

Let's hear it for weed!

[TheStickman]

All this article proves is something folks have known forever:

Too much of anything for too long isn’t good for us.

[NobleFree]

can be used without abuse.

So can marijuana.

Cannabinoid hyperemesis syndrome ...

Marijuana-induced vomiting is rare: "With the large prevalence of marijuana use in the world, why does it appear that so few patients develop CHS?" [emphasis added]
- Galli, J. A., Sawaya, R. A., & Friedenberg, F. K. “Cannabinoid Hyperemesis Syndrome.” Current drug abuse reviews 4.4 (2011): 241–249 (http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3576702/)

From your link: "'The most likely cause is that people using marijuana frequently and in high doses have changes in the receptors in their body'" [emphasis added]