I don't believe cannabis IS considered a deadly drug.
a herbal drug ?
No. Cannabis is only harmful to individual if you consider yourself as a hardcore pot smoker. Other than that, it's medicinal.
a drug test
Cannabis itself (weed) would be the drug technically but THC and several other cannabinoids are the chemicals produced by the cannabis plant that "get you high".
The oldest cannabis fossil dates back to around 28 million years ago, found in the Tibetan plateau. It indicates that cannabis has been around for millions of years.
Any drug made from the hemp plant, (genus cannabis). Sage.
cannabis, LSD, shrooms (most hallucinates except PCP), or caffine
The drug is spelled marijuana (Cannabis sativa).
Cannabis
Yes it does.
No, because there's no THC in cannabis incense.