April 19th, 2010 
admin Street vendors often provide “grit weed”. Grit weed are the cannabis seed that are sand blasted and made powder with sand or any other grit material. The grit used can be finely grained glass. Dealers and vendors uses grit weed to make higher profits because the grit of sand, glass or sugar increases the weight and that provide more profit for same quantity of pure cannabis seed.
Grit seeds can be extremely dangerous. For healthy reason, grit weeds should be avoided. The glass particles used when inhaled along with cannabis can hurt lungs, heart and esophagus. Thus, it is always better to buy Cannabis seed from a well known Weed Seed company only that may provide pure and safe cannabis seeds. One may try one of such company http://www.weedseed.co.uk .
Cannabis is used for medicinal purposes; the wood from cannabis is also usable in construction industry. The stalk of cannabis is used in production of strong and durable fiber useful in textile industry. Cannabis can also be used as recreational drug. The molecule THC (tertahydrocannabinol) found in cannabis is a psychoactive molecule. The effects of marijuana are because of this specific molecule THC.
The three major species of cannabis are Cannabis Sativa, Cannabis Indica and Cannabis ruderail. Cannabis Sativa and Cannabis Indica are naturally found in central and south Asia. The origin of Cannabis is believed to be the Himalayan region. Cannabis ruderail are found in Europe.
People interested in growing cannabis plants can obtain seeds from known weed seed companies such as http://www.weedseed.co.uk. It is always preferable to buy seeds from seed companies because street vendors can sell grit cannabis for the greed of higher profits. Grit weed is harmful.
Cannabis is also used in medicines and as a recreational drug. The Lancet, a UK based medical journal claimed that Cannabis offers lower dependence rate than alcohol or nicotine and hence is better. Cannabis acts as psychoactive drug. The psychoactive character comes from the psychoactive molecule THC present in stalk, flowers, seeds and hemp of cannabis. The euphoric high effect of marijuana is associated with the effect of THC of cannabis.
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