Transcript Marijuana

Marijuana
By Hiba Abid and Schnelle Alvares
What is marijuana?
 Cannabis is known as marijuana in its herbal form. Marijuana is used
to describe the dried leaves, flowers, seeds and stem of the hemp
plant Cannabis sativa.
 It is also referred to as pot, weed, grass, Mary Jane Texas tea.
 People smoke marijuana in hand rolled joints, pipes, vaporizers or
water pipes. It can also be smoked in blunts (emptied cigars that are
partially or completely refilled with marijuana). It can also be mixed
in with food such as brownies, cookies, candy or brew it as a tea.
Types of marijuana
 Indicas: indica strains are popular to people suffering from pain,
anxiety or insomnia. They are known for their relaxing body high. The
buds tend to be darker and denser; they also contain higher levels of
CBD.
 Sativas: tend to have higher levels of cannabinoid, THC or the
primary psychoactive component in cannabis. This results in a
uplifting, more energetic high, however it can cause problems for
people who undergo marijuana induced paranoia or anxiety.
Short term effects
Marijuana over activates parts of the brain. This causes the "high" that
users feel. Other effects include:
 altered senses (for example, seeing brighter colors)
 altered sense of time
 changes in mood
 impaired body movement
 difficulty with thinking and problem-solving
 impaired memory
Long term effects
The drug may reduce thinking, memory and learning functions and affect
how the brain builds connections for the areas necessary for these
functions. These effects can last a long time or can be permanent.
Physical effects
 Breathing problems: smoke irritates the lungs and could cause
problems like daily cough, more frequent lung illness, and higher risk
of lung infections.
 Increased heart rate: could cause heart related problems like earth
attacks.
 Problems with child development during and after pregnancy;
increases risk of brain and behavioral problems with babies.
Mental effects
 Temporary hallucinations: sensations and images that seem real
though they are not
 Temporary paranoia: extreme and unreasonable distrust of others
 Worsening symptoms in patients with schizophrenia (a severe
mental disorder with symptoms such as hallucinations, paranoia, and
disorganized thinking)
 Depression
 Anxiety
 Suicidal thoughts
Is Marijuana medicine?
 USA Food and Drug Administration (FDA) has not recognized or
approved the marijuana plant as medicine because they feel that “the
risks do not outweigh the benefits of the drug.
What is THC?
 THC (tetrahydrocannabinol) is marijuana’s main mind-altering
ingredient. It acts much like the cannabinoid chemicals made
naturally by the body.
 The body also produces its own cannabinoid chemicals that play a
role in pleasure, memory, coordination, awareness of time, appetite,
pain, and the senses. The chemical THC attaches to these receptors
and activates them affecting the persons movements, memory
concentration and time perception.
What is CBD?
 A marijuana chemical cannabidiol (CBD) treats certain conditions such
as childhood epilepsy, a disorder that causes a child to have violent
seizures. Thus, scientists have been specially breeding marijuana
plants and making CBD in oil form for treatment purposes.

These drugs are not intoxicating and CBD is a cannabinoid that does
not affect the mind or behaviour. It may be useful in reducing pain
and inflammation, controlling epileptic seizures, and possibly even
treating mental illness.
Is marijuana a cure for
cancer?
 Animal studies have shown that marijuana extracts may help kill
certain cancer cells and reduce the size of others.
 Evidence from one cell culture study suggests that purified extracts
from whole-plant marijuana can slow the growth of cancer cells from
one of the most serious types of brain tumours.