Essay about Mental Effects of Cannabis

Essay about Mental Effects of Cannabis

Length: 2993 words (8.6 double-spaced pages)

Rating: Research Papers

Open Document

Essay Preview

Introduction to md 4002 dissertation: Grant Aitken
Is cannabis use an independent risk factor for the development of psychosis?

Cannabis or marijuana is an annual flowering herb of the Cannabaceae family, containing 3 major species C.Indica C.Sativa and C.Ruderalis. The two former species are of principal interest to those discussing Cannabis use due, to their widespread illicit usage. Cannabis has been cultivated from at least 6000BCE in what is now China. However the Cannabis plant was most likely as a textile when it became used as an intoxicant is less clear [1]. The first indisputable reference to Cannabis’ psychoactive uses come in Herodotus’ ‘Researches’ in 450 BCE where he describes that the “Scythians thew Cannabis on the stones, producing smoke, which they inhaled”[2].
Cannabis when consumed recreationally is generally smoked, vaporized or eaten to achieve the desired effect. The principal active ingredients are THC (Tetrahydrocannabinol) CBD (cannabidiol). However, there are over 400 individual compounds that reside within said plant [3]. THC as the principal psychoactive component acts at CB1 receptors throughout the body but principally within the brain [4] to inhibit adenylate cyclase [5]. It is through the effects on adenylate cyclase that THC increases dopamine release in the striatum indirectly. This is responsible for the subsequent high experienced by the user and these findings suggest that THC could potentially be addictive [6].
Despite widespread ritualistic use throughout the ancient world the British government had no official report on the effects of Cannabis use until the ‘1894 Indian Hemp Commission [7]’. Concluded on the effects of marijuana use in 3 separate grounds Physical Mental and Moral (Morali...


... middle of paper ...


...gardless of production methods.
Hypotheses on the relationship between Cannabis and Psychotic illness.

These 4 preselected hypotheses are included here so that later evidence as discussed in the studies can refer back to these concise hypotheses to better identify which if any concepts describing the relationship between Cannabis and Schizophrenia are correct[45].
1 that there is a causal link between Cannabis and psychosis.[45]
2 Cannabis worsens prognosis in patients who already have psychotic illness.[45]
3 Cannabis use merely precipitates Psychosis in vulnerable individuals[45]
4 Cannabis is merely more commonly used in psychotic individuals, possibly as a form of self-medication.[45]
By the end of this review there will be a clear picture of which hypothesis provides the best answer to the review question: Is Cannabis an independent risk factor for psychosis?

Need Writing Help?

Get feedback on grammar, clarity, concision and logic instantly.

Check your paper »

Essay on Marijuana Is Scientifically Known As Cannabis Sativa

- Marijuana is scientifically known as Cannabis Sativa. The most famous name for the drug was cannabis unit in the 1930s when the use of the word marijuana increased significantly in the United States. The term marijuana was being used as a more toxic word than cannabis during debates against the use of drugs. Marijuana use dates back in 2900 BC where it was used for medical purposes. In 2700BC a Chinese legend Emperor Shen Nung who was considered as the father of Chinese medicine made a discovery that marijuana had some medicinal properties....   [tags: Medical cannabis, Cannabis, Cannabis]

Research Papers
989 words (2.8 pages)

Legalize Cannabis Essay

- Cannabis is a very controversial plant, and through history, the way that people see this plant has changed depending on the different cultures. Sometimes, it has been used as a medicine, and other times condemned as a slow suicide. In the modern era, the controversy attained its highest level; a lot of developed countries are thinking about the rehabilitation of cannabis. This rehabilitation process is based on scientific research that showed that cannabis is harmless and can be used as a medicine for a lot of diseases....   [tags: Sociology]

Free Essays
870 words (2.5 pages)

Smoking Cannabis Virtually Doubles the Risk of Developing Mental Illness such as Schizophrenia

- The media are often guilty of presenting studies in a way that leads to misinterpretation by the public. A recent BBC news article reads “Cannabis use ‘raises psychosis risk’ – Study” and the Daily Mail warns “Cannabis use ‘doubles risk of psychosis for teenagers”. Such headlines give the impression that there has been a clear causal relationship found between smoking cannabis and the development of mental illnesses (News, 2011; Hope, 2011). Kuepper et al. (2011), the study referred to above, reported that cannabis use is a risk factor for the development of incident psychotic symptoms (short-lasting individual symptoms)....   [tags: Health, informative, expository]

Research Papers
1074 words (3.1 pages)

Essay about The Medicinal Use of Cannabis

- The medicinal use of cannabis has been long debated in the United States. There are even some states, such as Colorado, that have bypassed federal law to state-legalize medicinal cannabis. There are many research studies that have not just suggested, but proven, the incredible medical benefit of cannabinoids. Cannabis is quite safe in moderation, and has less severe long term side effects than many medications that treat similar ailments. With restriction and respect, medicinal cannabis should be legalized for those that have a legitimate medical condition and that can obtain a medicinal permit to utilized cannabis for said medical condition....   [tags: substance abuse, medicinal marijuana]

Research Papers
1250 words (3.6 pages)

Essay on Concerns of Longterm Cannabis Use

- Long-term use of cannabis has deleterious effects on the outcomes of health. THC can cause a wide variety of impacts on the cardiopulmonary and CNS systems. According to the American Lung Association, smoking marijuana can greatly increase the risk of lung cancer due to approximately 33 carcinogenic chemicals contained in marijuana (Roan, 2013). Like tobacco smoke, the smoke generated from smoking marijuana also can cause 4 times as much tar deposition inside the lungs when compared to tobacco smoke....   [tags: health, marijuana, abuse]

Research Papers
636 words (1.8 pages)

Cannabis and Cognitive Functioning Essay

- Cannabis and Cognitive Functioning The debate concerning recreational and medical use of cannabis has historically been incredibly controversial and its popularity is increasing. Many claim that there are no downsides to its use, often falling back on the “alcohol is worse for you” argument, while those who oppose its use say otherwise. In 2013, the Substance Abuse and Mental Health Services Administration (SAMHSA) surveyed 70,000 Americans 12 years and older and found that 7.3% of Americans regularly used marijuana in 2012, showing a rise in use over the last several years....   [tags: Recreational, Medical Use, Illegal Substance]

Research Papers
1494 words (4.3 pages)

Essay on The Effect of Cannabis on Humans

- The Effect of Cannabis on Humans The background to these articles is the debate about cannabis, and it's effects on humans. Cannabis (also known as draw etc) comes in many forms - block, sticky oil, or as dried leaves/buds. The user feels 'stoned', and his\her senses will be heightened. Also, it brings on cravings for food (otherwise know as the 'munchies'). Risks of using cannabis include short-term memory loss, degrading co-ordination and increased chances of contracting respiratory disorders (lung cancer etc)....   [tags: Papers]

Free Essays
677 words (1.9 pages)

Mental Health, Physical Health and Death in Australian Society Today Essay

- Australia has always been indulged with alcohol it is something which is used socially for many, but for others it is just to get through the week. Alcohol is the most popular but by far the most dangerous problem in Australian society. Most Australians are unaware of the health effects caused by alcohol. Several underage Australians ranging from the ages of fifteen to the age of seventeen are drinking (Ross, Trevor L, 2009, p1). This is under the legal age of eighteen, and when drunk some often do something they will always regret (Ross, Trevor L, 2009, p1)....   [tags: effects of alcohol]

Research Papers
1036 words (3 pages)

Essay on Cannabis Legalization

- Cannabis Legalization Discuss: “Cannabis is no more harmful than tobacco or alcohol and should, therefore, be legalised.” There has recently been much debate in the media about the decriminalisation of cannabis, both for recreational and medicinal use. This topic has proved controversial especially in political circles. Drawing on evidence from recent press reports, research on the web and recent publications, this essay will assess the evidence of how harmful cannabis really is. In 1971 Cannabis was reclassified by parliament and became a schedule 1 drug....   [tags: social issues]

Research Papers
1225 words (3.5 pages)

Cannabis Sativa: Why Hasnt It Been Legalized? Essay

- What if we were able to legalize a drug that works more efficiently on some diseases than any legal drug on the market today. This drug can help to aid such notorious diseases as AIDS and glaucoma. The name of this drug is cannabis sativa, or its more well-known name, marijuana. Cannabis sativa should be legalized for its medicinal uses. This paper will state the different types of diseases that marijuana may be used for, the current steps towards the legalization of this drug for medicinal purposes, the reasons for the use of this drug not to be exploited, the positive and alleviating effects of its use, and the non-addictive attributes of the drug itself....   [tags: essays research papers]

Free Essays
1091 words (3.1 pages)