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  1. Cannabis. Cannabis smoking (known colloquially as smoking weed or smoking pot) is the inhalation of smoke or vapor released by heating the flowers, leaves, or extracts of cannabis and releasing the main psychoactive chemical, Δ 9 - tetrahydrocannabinol (THC), which is absorbed into the bloodstream via the lungs.

  2. t. e. Cannabis, [a] also known as marijuana [b] or weed among other names, is a non-chemically uniform drug from the cannabis plant. Native to Central or South Asia, the cannabis plant has been used as a drug for both recreational and entheogenic purposes and in various traditional medicines for centuries.

  3. Marijuana smoke was listed as a cancer agent in California in 2009. A study by the British Lung Foundation published in 2012 identifies cannabis smoke as a carcinogen and also finds awareness of the danger is low compared with the high awareness of the dangers of smoking tobacco particularly among younger users. Other observations include ...

  4. Cannabis (drug) Cannabis, also known as marijuana, weed, sativa, and indica (as well as other names) [a] is a psychoactive drug from the Cannabis plant used for medical or recreational purposes. [18] [19] [20] (in legalized states). The main psychoactive part of cannabis is tetrahydrocannabinol (THC), one of the 483 known compounds in the plant ...

    • Ancient History
    • Drug Effects
    • Legal Status
    • Health Risks

    Scientists believe that cannabis first grew somewhere in the Himalayas. Evidence of people smoking cannabis goes as far back as prehistory: archaeologists have found burnt hemp seeds at a burial site in what is now Romania. The most famous users of cannabis were the ancient Hindus, who called it ganjika in Sanskrit (ganja in modern Indian languages...

    When a person inhales cannabis smoke or consumes cannabis, he or she may get a feeling called "getting high" or "getting stoned". Cannabis's most common effects include feeling happy, relaxed, tired, silly or scared; having many ideas about what to do; not being able to think clearly (or remember some things at all); and getting hungry (also called...

    Medical cannabis

    In the 2010s many countries and some states in the United States made it legal for people with certain medical problems to use cannabis as a medicine. Medical use of cannabis is legal in Austria, Belgium, Canada, Chile, Colombia, the Czech Republic, Finland, Greece, Israel, the Netherlands, Spain and the United Kingdom. In March 2017 Germany legalised cannabis for medical use with treatment of pain and symptoms by chronic diseases.Only a few companies and doctors in Germany willingly prescrib...

    Personal use

    On December 11, 2013, Uruguay was the first country in the world to make it legal to grow, sell, and use cannabis for personal (or recreational) use. Other countries that allow people to have small amounts of cannabis (just enough for them to use personally) include Colombia, Ecuador, Jamaica, the Netherlands, Peru, Portugal, Spain, and Switzerland. In the United States, on January 1, 2014, the states of Washington and Colorado made it legal for people aged 21 or older to buy cannabis. In Nov...

    Cannabis is one of the least dangerous of the commonly used illegal drugs. It is almost impossible to overdoseon cannabis. A person would have to smoke their entire body weight in five minutes in order to overdose. As of 1995, scientists had not shown that smoking cannabis causes lung cancer, even in people who smoke a lot of cannabis for a long ti...

  5. Jun 20, 2024 · Marijuana, drug composed of the leaves and flowers of plants in the genus Cannabis. Marijuana is known by several other names, including pot, grass, and weed. It can vary widely in potency. Its active ingredient is tetrahydrocannabinol (THC). Learn more about the history, effects, and legality of marijuana.

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  7. Medical cannabis can help with nausea and vomiting during chemotherapy. It can improve appetite in people with HIV / AIDS. It can reduce chronic pain and muscle spasms. [4] Short-term use makes it more likely that there will be side effects. Common side effects include feeling tired, dizziness and hallucinations. [5]

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