In which countries is marijuana legal?

Currently, marijuana is legal in the United States, Canada, Australia, and New Zealand.

From November 12, 2017, cannabis food is officially legalized in Australia and New Zealand, Australians will be able to buy a variety of food products containing cannabis in supermarkets and retail stores, including cannabis cereals, cannabis ice cream, cannabis muffins, cannabis shakes, and cannabis desserts, and cannabis food will become one of the superfoods in Australia.

Recreational marijuana was officially legalized in Canada on 17th 2018, making Canada the first developed country where the sale and use of cannabis can be legal.

Marijuana products are legalized in about 30 states in the United States.

I, the harm of marijuana

1, psychological dependence

Marijuana dependence is mainly psychological dependence, physical dependence is lighter, and it is not easy to produce tolerance. Usually a small amount of inhalation or intermittent use of large doses do not produce withdrawal symptoms, withdrawal reactions are mostly seen in widely prevalent areas using larger doses. Sudden discontinuation of use can occur agitation, restlessness, loss of appetite, insomnia, body temperature drop or even chills, fever, tremor. Usually lasts 4 to 5 days gradually disappear.

Changes in mood and state of mind: after smoking marijuana 1 ~ 2 minutes after a brief period of anxiety, inexplicable and vague anxiety and irritability, a few minutes into the cool period, feel especially stable, cozy, relaxed and happy, and feel that everything is very good, full of happiness, treating people cheerfully and enthusiastically, eloquent and chatty, and would like to find a person to make a considerate talk, in order to share his happiness. After that, it is slowly turning into a period of intoxication, quiet and self-compassionate, no longer want to talk to people, willing to immerse themselves in the soul state.

Sensory perception: Dependents are generally in a tranquil mood, with a vivid, rich and deep sense of color, and a feeling that the things around them are colorful and multicolored. Appreciation of music increases, and sensitivity to other sounds. The senses of touch, taste and smell can be intensified.

Thinking and associations: Along with the perceptual changes, one feels better in one's head and more competent in one's work.

Psychomotor function: the main manifestations are delayed motor responses and inability to coordinate motor maneuvers. Long-term abusers produce a cluster of symptoms of lack of motivation, which manifests itself in a lack of initiation, depravity of personality, and moral degradation.

2. Physiological hazards

(1) Increased heart rate: an average increase of 25-50 beats per minute, up to 140 beats per minute. The increase in heart rate is related to the dose used and the size of the content in the blood.

(2) Congestion and dilatation of blood vessels in the conjunctiva of the eye: typical red eyes appear.

(3) It reduces the intraocular pressure and favors the improvement of glaucoma.

(4) Long-term use increases blood volume.

(5) Heavy use can produce postural upright hypotension.

(6) Long-term inhalation damages bronchial epithelial cell function, resulting in bronchitis and wheezing.

(7) Inhalation has a certain carcinogenic effect.

(8) The use of marijuana in large quantities or over a long period of time can cause serious damage to a person's health:

(9) Nervous disorders. Overdose can occur unconsciousness, anxiety, depression, etc., hostile impulses towards people or suicidal intentions. Long-term marijuana use can induce insanity, paranoia and delusion.

(10) Damage to memory and behavior. Abuse of marijuana can make the brain memory and attention, calculation and judgment of the decline, so that people slow thinking, mnemonic, memory confusion. Long-term smoking can also cause degenerative encephalopathy.

(11) Impact on the immune system. Smoking marijuana can destroy the body's immune system, resulting in cellular and humoral immune function is low, vulnerable to viral and bacterial infections. So marijuana smokers suffer from oral tumors more.

(12) Smoking marijuana can cause bronchitis, pharyngitis, asthma attacks, laryngeal edema and other diseases. Smoking a marijuana cigarette has a 10 times greater effect on lung function than a cigarette.

(13) Affects motor coordination. Smoking marijuana in excess can damage the coordination of muscle movement, resulting in standing balance disorders, hand tremors, loss of complex manipulation and the ability to drive a motor vehicle.

3. Symptoms of intoxication

(1) Toxic delirium: occurs when a large amount is used at one time. Patients are unconscious, accompanied by illusions, hallucinations and thought disorders. Some patients are accompanied by fear and impulsive behavior, and there are also reported cases of homicidal death.

(2) Acute anxiety attacks: when overdosed, sometimes severe anxiety is produced, and in severe cases it reaches the level of fear, accompanied by a sense of disaster or near death. Some patients develop paranoid ideation along with anxiety, a sense of hostility toward others, or a feeling of being watched by others.

(3) Acute depressive reaction: some patients may have a transient depressive state, pessimism, and suicidal ideation.

Second, the main value

1, medicinal value

The fruit of traditional Chinese medicine, called "fire Ma Ren" or "cannabis kernel" into the medicine, flat, sweet taste, function: lubricate the intestines, the main treatment of fecal dryness. Flowers called "hemp Bo", the main treatment for bad wind, menstrual closure, forgetfulness shell and bracts called "hemp hemp seeds", poisonous, treatment of labor injuries, breaking the accumulation, dispersing pus, more than serving people crazy; leaves containing narcotic resin can be prepared anesthetics.

2, drug development

Thousands of years ago, traditional herbalists used marijuana to treat a variety of diseases, from earache to arthritis to convulsions. As we enter the 21st century, the benefits of cannabis for a wide range of illnesses, including glaucoma, chemotherapy-induced nausea and vomiting, multiple sclerosis (MS), AIDS-induced lethargy, and more, have attracted the attention of a wide range of stakeholders, especially patients and administrators.

MS patients are at the forefront of legalizing medical marijuana. Ninety percent of MS patients who have used marijuana report it relieves spasms, tonus and pain. If further research supports this claim, the pressure on governments around the world to legalize medical marijuana will increase.

3, application value

Stem skin fiber long and tough, can be used to weave linen or spinning, making rope, weaving fishing nets and papermaking; seed oil, oil content of 30%, can be used to make paints, coatings and so on, the oil residue can be used as feed.

4, battery manufacturing

August 12, 2014 in the United States held the 248th American Chemical Society (ACS) national meeting, Dr. David Mitlin of Clarkson University in New York, and his team said that the fibers in marijuana are capable of storing as much energy and power as graphene. In other words, hemp could be used in batteries and supercapacitors.

References:

Baidu's Encyclopedia - Cannabis;

People's Daily Online - Canada legalizes marijuana

? People.com - Australia and New Zealand to officially legalize cannabis food from next week

? People's Daily Online - U.S. children at increased risk of inhaling more secondhand marijuana smoke

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