Weed All About It: A Guide to Growing, Rolling, Smoking, and Eating Your Green

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There aren’t any reports of teens and adults dying from using marijuana alone, but marijuana use can cause some very uncomfortable side effects, such as anxiety and paranoia and, in rare cases, extreme psychotic reactions. The short-term use of oral cannabinoids may improve symptoms of spasticity among people with multiple sclerosis, but the positive effects have been found to be modest. Epilepsy Mehmedic Z, Chandra S, Slade D, et al. Potency trends of Δ9-THC and other cannabinoids in confiscated cannabis preparations from 1993 to 2008. J Forensic Sci. 2010;55(5):1209-1217. doi:10.1111/j.1556-4029.2010.01441.x. Use of alcohol, tobacco, and marijuana are likely to come before use of other drugs. 21,22 Animal studies have shown that early exposure to addictive substances, including THC, may change how the brain responds to other drugs. For example, when rodents are repeatedly exposed to THC when they're young, they later show an enhanced response to other addictive substances—such as morphine or nicotine—in the areas of the brain that control reward, and they're more likely to show addiction-like behaviors. 23,24

Cannabis is a warm-season annual—it thrives in temperate climates, such as Northern California’s famed Emerald Triangle, and it grows and dies each year, having to get planted again the following year. Many people who use marijuana long term and are trying to quit report mild withdrawal symptoms that make quitting difficult. These include: Tashkin DP, Simmons MS, Tseng CH. Impact of changes in regular use of marijuana and/or tobacco on chronic bronchitis. COPD. 2012 Aug;9(4):367-74. Ainit Snir; etal. (22 July 2015). "The Origin of Cultivation and Proto-Weeds, Long Before Neolithic Farming". PLOS ONE. 10 (7): e0131422. Bibcode: 2015PLoSO..1031422S. doi: 10.1371/journal.pone.0131422. PMC 4511808. PMID 26200895. The popularity of edibles also increases the chance of harmful reactions. Edibles take longer to digest and produce a high. Therefore, people may consume more to feel the effects faster, leading to dangerous results.

It will take about 10-32 weeks to grow a weed plant, depending on the method you choose and how big you want plants to get. The amount of THC in marijuana has been increasing steadily over the past few decades. 7 For a person who's new to marijuana use, this may mean exposure to higher THC levels with a greater chance of a harmful reaction. Higher THC levels may explain the rise in emergency room visits involving marijuana use.

Substance Abuse Center for Behavioral Health Statistics and Quality. Results from the 2018 National Survey on Drug Use and Health: Detailed Tables. SAMHSA. https://www.samhsa.gov/data/report/2018-nsduh-detailed-tables Accessed December 2019. Cannabis bought illegally off the street, where the quality, ingredients and strength are not known, is the most dangerous form to use. Many gardeners will agree that hand-weeding is not the terrible drudgery that it is often made out to be. Some people find in it a kind of soothing monotony. It leaves their minds free to develop the plot for their next novel or to perfect the brilliant repartee with which they should have encountered a relative's latest example of unreasonableness. [66] Under climate change

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a b c Clements, David R.; Jones, Vanessa (2021). "Rapid Evolution of Invasive Weeds Under Climate Change: Present Evidence and Future Research Needs". Frontiers in Agronomy. 3. doi: 10.3389/fagro.2021.664034. a b c d Clements, David R.; Jones, Vanessa L. (2021). "Ten Ways That Weed Evolution Defies Human Management Efforts Amidst a Changing Climate". Agronomy. 11 (2): 284. doi: 10.3390/agronomy11020284.

One area that the report looked closely at was the use of medical cannabis to treat chronic pain. Chronic pain is a leading cause of disability, affecting more than 25 million adults in the U.S. Asbridge M, et al. (2012). Acute cannabis consumption and motor vehicle collision risk: Systematic review of observational studies and meta-analysis. DOI: Eating cannabis will result in a much longer duration of effects, and more delayed onset of effects.Cannabis can make some existing mental health symptoms worse and has been linked with the possible development of mental health issues. psychosis – there is evidence that regular cannabis use in some people can increase the risk of developing a psychotic illness such as schizophrenia It's unlikely that a person will fail a drug test or get high from passive exposure by inhaling secondhand marijuana smoke. Although these findings support the idea of marijuana as a "gateway drug," the majority of people who use marijuana don't go on to use other "harder" drugs. It's also important to note that other factors besides biological mechanisms, such as a person’s social environment, are also critical in a person’s risk for drug use and addiction. Read more about marijuana as a gateway drug in our Marijuana Research Report. Can a person overdose on marijuana?

Marijuana also affects brain development. When people begin using marijuana as teenagers, the drug may impair thinking, memory, and learning functions and affect how the brain builds connections between the areas necessary for these functions. Researchers are still studying how long marijuana's effects last and whether some changes may be permanent. National Geographic (2011). National Geographic Answer Book: 10,001 Fast Facts about Our World. National Geographic Society. pp.175–. ISBN 978-1-4262-0892-8. Alshaarawy, O. (2019). Total and differential white blood cell count in cannabis users: Results from the cross-sectional National Health and Nutrition Examination Survey, 2005–2016.Callaway.qxd" (PDF). Archived from the original (PDF) on September 10, 2006 . Retrieved 2010-03-20. Cone EJ, Bigelow GE, Herrmann ES, et al. Non-smoker exposure to secondhand cannabis smoke. I. Urine screening and confirmation results. J Anal Toxicol. 2015;39(1):1-12. doi:10.1093/jat/bku116.