Development studies notes

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Development studies notes

Relieving muscle spasms caused by multiple sclerosis. What is the history of the medical use of Cannabis?

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The use of Cannabis for medicinal purposes dates back at least 3, years. It came into use in Western medicine in the 19th century and was said to relieve pain, inflammation, spasmsand convulsions.

Inthe U.

Development studies notes

Treasury began taxing Cannabis under the Marijuana Tax Act at one dollar per ounce for medicinal use and one hundred dollars per ounce for non-medical use. The American Medical Association AMA opposed this regulation of Cannabis and did not want studies of its potential medicinal benefits to be limited.

InCannabis was removed from the U. Pharmacopoeia because of continuing concerns about its safety. InCongress passed the Boggs Act, which included Cannabis with narcotic drugs for the first time. Although Cannabis was not believed to have any medicinal use, the U.


This program was closed to new patients in Researchers have studied how cannabinoids act on the brain and other parts of the body. Cannabinoid receptors molecules that bind cannabinoids have been discovered in brain cells and nerve cells in other parts of the body. The presence of cannabinoid receptors on immune system cells suggests that cannabinoids may have a role in immunity.

Nabiximols is approved in Canada under the Notice of Compliance with Conditions for relief of pain in patients with advanced cancer or multiple sclerosis.

If Cannabis is illegal, how do some cancer patients in the United States use it? Though federal law prohibits the use of Cannabis, the map below shows the states and territories that have legalized Cannabis for medical purposes.

Some other states have legalized only one ingredient in Cannabis, such as cannabidiol CBDand these states are not included in the map. Medical marijuana laws vary from state to state.

A map showing the U. How is Cannabis administered? Cannabis may be taken by mouth or may be inhaled. When taken by mouth in baked products or as an herbal teathe main psychoactive ingredient in Cannabis deltaTHC is processed by the livermaking an additional psychoactive chemical.

When Cannabis is smoked and inhaled, cannabinoids quickly enter the bloodstream.

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The additional psychoactive chemical is produced in smaller amounts than when taken by mouth. A growing number of clinical trials are studying a medicine made from an extract of Cannabis that contains specific amounts of cannabinoids.

Development studies notes

This medicine is sprayed under the tongue. Have any preclinical laboratory or animal studies been conducted using Cannabis or cannabinoids? Preclinical studies of cannabinoids have investigated the following: Antitumor activity Studies in mice and rats have shown that cannabinoids may inhibit tumor growth by causing cell death, blocking cell growth, and blocking the development of blood vessels needed by tumors to grow.

Laboratory and animal studies have shown that cannabinoids may be able to kill cancer cells while protecting normal cells. A study in mice showed that cannabinoids may protect against inflammation of the colon and may have potential in reducing the risk of colon cancerand possibly in its treatment.

A laboratory study of deltaTHC in hepatocellular carcinoma liver cancer cells showed that it damaged or killed the cancer cells. The same study of deltaTHC in mouse models of liver cancer showed that it had antitumor effects.Ontogeny (also ontogenesis or morphogenesis) is the origination and development of an organism, usually from the time of fertilization of the egg to the organism's mature form—although the term can be used to refer to the study of the entirety of an organism's lifespan..

Ontogeny is the developmental history of an organism within its own lifetime, as distinct from phylogeny, which refers to. Welcome to Development Studies Association. The Development Studies Association is the UK's learned society and professional body for academic teaching and research, policy and practice in the field of international development.

4 web pages dedicated to revision for IGCSE Development Studies.4/4(1). Case Study examining the product development of Nike Free, including innovation, identifying consumer needs, R&D, product positioning and commercialisation, marketing and advertising.

Learn lecture notes development studies with free interactive flashcards. Choose from different sets of lecture notes development studies flashcards on Quizlet. Introduction to Development Studies is an introductory-level course in International Studies with an emphasis on the triangle of political, economic, and social issues in the so-called developing world.