Marijuana is taken from hemp plant and cannabis sativa. It is one of the most abused drugs in US. Marijuana is the dry and shredded green or brown mix of flowers, leaves and stems of the plant cannabis sativa. Many people think about marijuana is harmless substance and they feel it is better substitute to other forms of smoking. However, it actually worsens the health of the abused. Human brain and mental health are adversely effected by the THC chemical present in marijuana. The short term effects of marijuana mental…
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