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Also known as weed, Cannabis is a plant that grows wild in many of the tropical and temperate areas of the world. It can be grown in almost any climate, and is increasingly cultivated by means of indoor hydroponic technology. 

 The main active ingredient in cannabis is called delta-9 tetrahydro-cannabinol, commonly known as THC. This is the part of the plant that gives the “high”  to people when taken. 


Cannabis is used in three main forms: marijuana, hashish and hash oil.

Marijuana is made from dried flowers and leaves of the cannabis plant. It is the least potent of all the cannabis products and is usually smoked or made into edible products like cookies or brownies. 



Hashish is made from the resin (a secreted gum) of the cannabis plant. It is dried and pressed into small blocks and smoked. It can also be added to food and eaten.

Hash oil, the most potent cannabis product, is a thick oil obtained from hashish. It is also smoked. 


 Cannabis is usually smoked in hand-rolled cigarettes (known as “joints”) or in special waterpipes (“bongs”). These pipes or bongs can be bought or made from things such as orange juice containers, soft drink cans or even toilet rolls.

Cannabis is also known as marijuana, grass, pot, dope, Mary Jane, hooch, weed, hash, joints, brew, reefers, cones, smoke, mull, Buddha, ganga, hydro, yarndi, heads and green.



Most people who use cannabis do so to experience a sense of mild excitement and relaxation, often referred to as a “high.” Cannabis causes changes in the user’s mood and also affects how they think and perceive the environment. In biology, cannabis is categorised as an hallucinogen.


The short-term effects of using cannabis may include: 


 -Feeling of well-being.



 -Loss of inhibitions.

 -Decreased nausea.

 -Increased appetite.

-Loss of co-ordination.

-Bloodshot eyes.

 -Dryness of the eyes, mouth, and throat.

-Anxiety and paranoia.

There is limited research on the long-term effects of cannabis. On the available evidence, the major probable adverse effects are: 


     -Increased risk of respiratory diseases associated with smoking, including cancer

    -Decreased memory and learning abilities

    -Decreased motivation in areas such as study, work or concentration



-Marijuana  use is ILLEGAL in most parts of the world.

-Marijuana can cause lung cancer. People who smoke weed are more at risk of suffering lung damage. In fact, a study demonstrated that the respiratory system damage caused by smoking cannabis is actually equivalent to the damage associated with smoking as many as five cigarettes.

-Marijuana is addictive. The issue of addiction is one of the reasons that many advocates of marijuana argue that it is safer, since it is not necessarily as addictive as certain other drugs like heroin. But the fact is; Weed is addictive.

-Marijuana can destroy your ambition. Smoking weed one time tends to make a person feel “hazed” or “baked,” and the “high” associated with cannabis is typically described as being relaxing, rather than stimulating. People who consume marijuana on a regular basis naturally experience these sensations far more often, and with prolonged usage most weed smokers end up failing to pursue their life goals.

-Marijuana Destroys Your Body’s Natural Reserves. Using marijuana tends to deplete the body’s stores of magnesium, with the result that the person feels more on-edge after coming down from the high. As is to be expected, most people turn back to the drug to feel good again, thereby locking themselves into a downward spiral of physical dependence in addition to any emotional addiction they may develop. 

-Marijuana can retard your IQ. A recent study out of Oxford University has demonstrated that people who begin engaging in heavy marijuana consumption during their teenage years tend to reach adulthood with lower levels of IQ than their peers. This has to do with the fact that the brain has not finished maturing until the mid-20s, and using a mind-altering substance such as THC can impair its growth and development.