Thursday, June 20, 2013

Voicethread about cannabis


http://voicethread.com/share/4609838/


              
                                                            CANNABIS



  1.- What are the origins of this drug?
   


      The cannabis is origin of central Asia and the South. The        first lead of cannabis was found  in China  in an old book called "Pent Ts'ao" of Shen Nung, an old chinese emperor, fifth thousand  years  ago. This drug was cultivated and harvested to medical use.


2.- What effects does this drug produce on people? 

              long-term consumption leads to addiction, in search of the drug despite knowing its harmful effects upon social functioning in the family, school, work and recreation. Also people who used cannabis report irritability, difficulty sleeping, decreased appetite, anxiety, and drug craving, all of which complicate the stop using it.

3.-What are the consequences of its addiction?

       that marijuana has the potential to cause problems in daily life or make a person's existing problems worse. In fact, heavy marijuana users generally report lower life satisfaction, poorer mental and physical health, relationship problems and less academic performance.

4.- How does this drug affect a person’s body and mind?

When THC enter the brain, the user feels euphoric or "high", because THC acts on the brain reward system. This system consists of the brain regions that govern the response of the person pleasant things. THC activates the reward system by stimulating brain cells to release a chemical called dopamine.The THC make you have increased sensory perception, laughter, altered perception of time and increased appetite. The euphoria passes after a while and the user may feel sleepy or depressed. And your eyes become red. 

No comments:

Post a Comment