Tolerance towards the cannabis
The great consumers tend to develop tolerance, or decreasing sensitivity, to the effects of tetrahidrocannabinol (THC), the active ingredient of cannabis.
The pleasant sensations, like the euphoria, tend to diminish with the regular and abundant consumption. On the other hand, it is possible to be said the same of the undesirable effects, like the elevation of the pulse (tachycardia).
With smaller frequency, the patients can develop a tolerance to the medical benefits of cannabis. This problem is remedied sometimes taking another variety from grass or changing the ingestion method during one season.
Interactions with other drugs
He is not habitual that the cannabis increases the poisonous effects of other drugs.
In this respect, it is very different from most of habitual drugs, like the alcohol, that is extremely dangerous when it is mixed with sedatives, or the aspirin, that is dangerous when it is combined with drugs that dilute the blood, like the cumarina and its derivatives. This is one more a test of the remarkable security of cannabis.
Some drugs can interact with the cannabis producing tachycardia, among them the nortriptilina antidepressant, and possibly, popular stimulating and the antiasthmatic one known like efedrina (one of the ingredients of the "herbal ecstasy", or vegetal éxtasis).
On the other hand, the tachycardia induced by the THC can be stopped by betabloqueantes like propanolol, in any case it consults with your doctor if takings some type of medicine and you want to take cannabis.
Dependency and addiction of cannabis
The cannabis does not produce physical addiction. The smokers can consume it daily during many years and leave it without difficulty. When it is asked to him an old smoker how it left it, a typical answer is simply, it I have not returned to prove.
When the experts compare the cannabis with the alcohol, the nicotine, the cocaine, the opiate ones, psychoactive caffein and other drugs, they place it in the end, or almost, of the list in terms of potential of dependency, reinforcing and abstinence.
Nevertheless, like any human pleasure, the cannabis consumption can very hard get to be a habit for certain minority. Around 10% of the playful consumers they have problems to control its use. In its majority, they are people who also have problems with other drugs.
Some programs of treatment against drugs act on compulsive consumers of cannabis, but these users represent a minimum proportion between the enrolled ones of these programs.
A minority of habitual playful consumers, with many years of consumption to high doses, can undergo a small syndrome of abstinence when they leave the cannabis. This it includes moderate anxiety, depression, nightmares, difficulties to sleep, very vivid dreams, muscular irritability, tremors, sweats, nauseas, convulsions and uneasiness.
These symptoms, although moderate, can last few days, but single they are remarkable in consumers very hardened, and then it does not even represent any obstacle for the abandonment the habit.
