probably...did you know shrooms are grown in cow shit? (sorry...cow flaps, for those
who don't know what a cow flap is)  and that is what they taste like too.
ok if you smoke them, but if you eat them...yuk

The strength and potency of marijuanna is based on three things. Genetics, Soil conditions and cultivation practices. the active ingredient in mariguanna that give's the "high" effect is tetrahydracannabinol (THC). This is a naturally occuring compound linked to the reproductive cycle of the plant and is in it's greatest concentrations during gestation (budding). That said, male plants have very little THC while it is the female of the species that is most desired.

Sensemilla, a particularly potent varient, is simply the practice of maintaining the plant's as virginal, stripping off all contact with males forcing their reproductive cycles into overdrive as the plant try's to overcome it's enviromental constraints and successfully reproduce. This over stimulation, when properly nutrated, results in very "sticky" Flower clusters or buds. the THC actually crystalizes on the surface of the flower sticking to the fine red hairs in the hopes of being picked up by a wandering bee. it also has a very Pungent aroma as an attractantto those same bees.

As for additives or lacing. while in some instances PCP or Cocaine , Liquid THC or hash oil will be used on individual joints by end users, the practice, from a commercial standpoint is to expensive t be a normal practice. In the past there has been some concern of insecticides and Defoliants such as Paraquat which was sprayed indeterminably by the US DEA most typically in the Mexican growing areas. This practice was used from the late part of the 1970' to the early 80's and was a cause for concern as it's carcinogenic properties were well know. (Paraquat was illegal to use or purchase in the US for this very reason) and the health risk was the lynchpin that finally caused the practice to be abandoned.

of course... this is just a hypothetical answer as the use and cultivation of this product are illegal in my jurisdiction.

uhmmm lets say I dabbled...

and even inhaled (accidentally, of course).

I gahzillion dabbled, inhaled on purpose..
and on EVERY occasion..
and i didn't know all those things that jimb just posted..
But i'm wondering is their a real addiction to pot..
I know when i quit, i went cold turkey, only thing was
just physcological dependance, but no physical dependance
so no withdrawals, but i was very determined to quit.

Uh Nal, was definitely dating myself there.

Most of that came off the top of my head. My long term memory is fine... My short term is still a bit fried.

oh, and smoking shrooms is a waste. the psilocybin does not transfer well by being burned, instead it must be processed through the blood stream to be effective.

Now if we were talking about true potent lacing, Opiumated Thai stick comes to mind. I remember watching village woman taking bundles of Thai weed and soaking them in opium oil before wrapping the still wet buds for drying. I used to be able to give 5 cents American for a single green stick that weighed a bit over an ounce and a half. hard part was sneaking it back on base afterward.