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My answer to Can cannabis or cannabis oil cure cancer?

Answer by Nature Crazy:

The cannabis plant or hemp plant which is also referred to as “marijuana” had actually been used for medicinal purposes for thousands of years before it became listed as a schedule 1 drug in the United States. However, with new scientific literature coming out on the plant and break throughs in various countries such as Brazil whose government has recently approved its use as a treatment of cancer the shared mood has been altering in the US in regards to its use. The National Cancer Institute, part of the US Department of Health now declares that cannabinoids, a category of compounds present in cannabis, can inhibit cancer by prompting cell death and hindering blood vessels imperative for tumor growth and goes on to clarify that cannabis has been shown to kill cancer cells in lab experiments. Here's a link.

https://www.cancer.gov/about-cancer/treatment/cam/patient/cannabis-pdq/#link/_13

Dr. Cristina Sánchez, a molecular biologist from Complutense University in Madrid Spain was the first to discover the antitumor effects of cannabinoids. Her team found that when a type of brain tumor was treated with cannabinoids, the THC killed the cells in vitro. Sanchez and other scientists have since determined that the most powerful anti-tumor effects happen when THC and CBD are combined with a multitude of studies having been carried out on lung, prostate, colon, pancreatic, liver, bladder, cervical, brain, and other forms of cancer.

In short, when THC attaches to the CB1 or CB2 cannabinoid receptor site on the cancer cell, it causes a boost in ceramide which inhibits the mitochondria, and thus closes off power to the cancer cell. Inhibiting the mitochondria causes the discharge of cytochrome c and reactive oxygen species into the cytosol, forcing cancer cell death. The increase in ceramide also disrupts calcium metabolism in the mitochondria, completing the demise to cell destruction. A healthy functioning cell does not create ceramide in the presence of THC, and is therefore unaffected by the cannabinoid. In other words, unlike chemotherapy that targets everything in the body cannabinoids target specifically tumor cells and thus have no toxic effect on normal non tumoral cells.

Another component of its use is that it also turns off the Id-1 gene; which is the gene responsible for the growth of metastatic lesions meaning that treatment with cannabinoids not only kills cancer through numerous simultaneous pathways, but helps prevent metastasis or the development of secondary malignant growths.

Because cannabinoid therapy is still relatively new in the mainstream many people are still unaware of its potential benefits. Also a current challenge for patients regarding its use is lack of regulation but this may change in the future. There are 134 published studies on Pubmed (see links below) showing that cannabinoids (cannabis) demonstrates anti-cancer effects.

http://cancerres.aacrjournals.org/content/65/5/1635

UNITED KINGDOM
http://www.ncbi.nlm.nih.gov/pubmed/15454482 http://www.ncbi.nlm.nih.gov/pubmed/17583570 http://www.ncbi.nlm.nih.gov/pubmed/17931597 http://www.ncbi.nlm.nih.gov/pubmed/18615640 http://www.ncbi.nlm.nih.gov/pubmed/14640910

UNITED STATES OF AMERICA
http://www.ncbi.nlm.nih.gov/pubmed/20191092 http://www.ncbi.nlm.nih.gov/pubmed/18025276 http://www.ncbi.nlm.nih.gov/pubmed/616322 http://www.ncbi.nlm.nih.gov/pubmed/15753356 http://www.ncbi.nlm.nih.gov/pubmed/12091357 http://www.ncbi.nlm.nih.gov/pubmed/18199524 http://www.ncbi.nlm.nih.gov/pubmed/19887554 http://www.ncbi.nlm.nih.gov/pubmed/19457575 http://www.ncbi.nlm.nih.gov/pubmed/16908594 http://www.ncbi.nlm.nih.gov/pubmed/12130702 http://www.ncbi.nlm.nih.gov/pubmed/11854771 http://www.ncbi.nlm.nih.gov/pubmed/20053780 http://www.ncbi.nlm.nih.gov/pubmed/16754784 http://www.ncbi.nlm.nih.gov/pubmed/20090845 http://www.ncbi.nlm.nih.gov/pubmed/15978942

GERMANY
http://www.ncbi.nlm.nih.gov/pubmed/12648025 http://www.ncbi.nlm.nih.gov/pubmed/19914218 http://www.ncbi.nlm.nih.gov/pubmed/15026328 http://www.ncbi.nlm.nih.gov/pubmed/16893424 http://www.ncbi.nlm.nih.gov/pubmed/15361550 http://www.ncbi.nlm.nih.gov/pubmed/19889794 http://www.ncbi.nlm.nih.gov/pubmed/19015962

HUNGARY
http://www.ncbi.nlm.nih.gov/pubmed/19608284

ISRAEL
http://www.ncbi.nlm.nih.gov/pubmed/17237277 http://www.ncbi.nlm.nih.gov/pubmed/11586361 http://www.ncbi.nlm.nih.gov/pubmed/14692532 http://www.ncbi.nlm.nih.gov/pubmed/16571653 http://www.ncbi.nlm.nih.gov/pubmed/18286801 http://www.ncbi.nlm.nih.gov/pubmed/16250836 http://www.ncbi.nlm.nih.gov/pubmed/17934890

ITALY
http://www.ncbi.nlm.nih.gov/pubmed/12052046 http://www.ncbi.nlm.nih.gov/pubmed/19189054 http://www.ncbi.nlm.nih.gov/pubmed/18354058 http://www.ncbi.nlm.nih.gov/pubmed/19047095 http://www.ncbi.nlm.nih.gov/pubmed/10913156 http://www.ncbi.nlm.nih.gov/pubmed/9653194 http://www.ncbi.nlm.nih.gov/pubmed/18088200 http://www.ncbi.nlm.nih.gov/pubmed/16909207 http://www.ncbi.nlm.nih.gov/pubmed/17342320 http://www.ncbi.nlm.nih.gov/pubmed/19059457 http://www.ncbi.nlm.nih.gov/pubmed/12723496 http://www.ncbi.nlm.nih.gov/pubmed/19442536 http://www.ncbi.nlm.nih.gov/pubmed/16728591 http://www.ncbi.nlm.nih.gov/pubmed/19539619 http://www.ncbi.nlm.nih.gov/pubmed/16500647 http://www.ncbi.nlm.nih.gov/pubmed/19189659 http://www.ncbi.nlm.nih.gov/pubmed/14617682 http://www.ncbi.nlm.nih.gov/pubmed/18938775 http://www.ncbi.nlm.nih.gov/pubmed/11106791

JAPAN
http://www.ncbi.nlm.nih.gov/pubmed/19394652

KOREA
http://www.ncbi.nlm.nih.gov/pubmed/20336665

NEW ZEALAND
http://www.ncbi.nlm.nih.gov/pubmed/19442435

POLAND
http://www.ncbi.nlm.nih.gov/pubmed/15451022

SAUDI ARABIA
http://www.ncbi.nlm.nih.gov/pubmed/18197164

SLOVAKIA
http://www.ncbi.nlm.nih.gov/pubmed/16835997

SPAIN
http://www.ncbi.nlm.nih.gov/pubmed/11903061 http://www.ncbi.nlm.nih.gov/pubmed/17675107 http://www.ncbi.nlm.nih.gov/pubmed/17202146 http://www.ncbi.nlm.nih.gov/pubmed/19425170 http://www.ncbi.nlm.nih.gov/pubmed/18454173 http://www.ncbi.nlm.nih.gov/pubmed/17065222 http://www.ncbi.nlm.nih.gov/pubmed/10700234 http://www.ncbi.nlm.nih.gov/pubmed/16787257 http://www.ncbi.nlm.nih.gov/pubmed/15958274 http://www.ncbi.nlm.nih.gov/pubmed/16139274 http://www.ncbi.nlm.nih.gov/pubmed/16624285 http://www.ncbi.nlm.nih.gov/pubmed/16616335 http://www.ncbi.nlm.nih.gov/pubmed/11269508 http://www.ncbi.nlm.nih.gov/pubmed/19690545 http://www.ncbi.nlm.nih.gov/pubmed/12511587 http://www.ncbi.nlm.nih.gov/pubmed/20307616 http://www.ncbi.nlm.nih.gov/pubmed/16818634 http://www.ncbi.nlm.nih.gov/pubmed/17952650 http://www.ncbi.nlm.nih.gov/pubmed/16818650 http://www.ncbi.nlm.nih.gov/pubmed/16596790 http://www.ncbi.nlm.nih.gov/pubmed/15638794 http://www.ncbi.nlm.nih.gov/pubmed/15275820 http://www.ncbi.nlm.nih.gov/pubmed/12133838 http://www.ncbi.nlm.nih.gov/pubmed/18339876 http://www.ncbi.nlm.nih.gov/pubmed/9771884 http://www.ncbi.nlm.nih.gov/pubmed/10570948 http://www.ncbi.nlm.nih.gov/pubmed/12182964 http://www.ncbi.nlm.nih.gov/pubmed/19229996

SWEDEN
http://www.ncbi.nlm.nih.gov/pubmed/19609004 http://www.ncbi.nlm.nih.gov/pubmed/16337199 http://www.ncbi.nlm.nih.gov/pubmed/16936228 http://www.ncbi.nlm.nih.gov/pubmed/18546271

SWITZERLAND
http://www.ncbi.nlm.nih.gov/pubmed/15453094 http://www.ncbi.nlm.nih.gov/pubmed/19589225 http://www.ncbi.nlm.nih.gov/pubmed/15047233 http://www.ncbi.nlm.nih.gov/pubmed/19509271 http://www.ncbi.nlm.nih.gov/pubmed/19480992

TAIWAN
http://www.ncbi.nlm.nih.gov/pubmed/18387516

THAILAND
http://www.ncbi.nlm.nih.gov/pubmed/19916793

UKRAINE
http://www.ncbi.nlm.nih.gov/pubmed/18438336

*Destroys Brain Cancer
http://www.nature.com/bjc/journal/v95/n2/abs/6603236a.html http://www.ncbi.nlm.nih.gov/pubmed/11479216 http://www.jneurosci.org/content/21/17/6475.abstract http://jpet.aspetjournals.org/content/308/3/838.abstract http://mct.aacrjournals.org/content/10/1/90.abstract

*Destroys Mouth and Throat Cancer
http://www.ncbi.nlm.nih.gov/pubmed/20516734

*Destroys Breast Cancer
http://www.ncbi.nlm.nih.gov/pubmed/20859676 http://www.ncbi.nlm.nih.gov/pubmed/18025276 http://www.ncbi.nlm.nih.gov/pubmed/21915267 http://jpet.aspetjournals.org/content/early/2006/05/25/jpet.106.105247.full.pdf+html http://www.molecular-cancer.com/content/9/1/196 http://www.ncbi.nlm.nih.gov/pubmed/22776349 http://www.pnas.org/content/95/14/8375.full.pdf+html

*Destroys Lung Cancer
http://www.ncbi.nlm.nih.gov/pubmed/22198381?dopt=Abstract http://www.ncbi.nlm.nih.gov/pubmed/21097714?dopt=Abstract http://www.nature.com/onc/journal/v27/n3/abs/1210641a.html *Cures Uterine,

Testicular, and Pancreatic Cancers http://www.cancer.gov/cancertopics/pdq/cam/cannabis/healthprofessional/page4 http://cancerres.aacrjournals.org/content/66/13/6748.abstract *Cures Prostate Cancer http://www.ncbi.nlm.nih.gov/pubmed/12746841?dopt=Abstract http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3339795/?tool=pubmed http://www.ncbi.nlm.nih.gov/pubmed/22594963

*Destroys Colorectal Cancer
http://www.ncbi.nlm.nih.gov/pubmed/22231745 *Cures Ovarian Cancer http://www.aacrmeetingabstracts.org/cgi/content/abstract/2006/1/1084

*Destroys Blood Cancer
http://www.ncbi.nlm.nih.gov/pubmed/12091357 http://www.ncbi.nlm.nih.gov/pubmed/16908594 http://onlinelibrary.wiley.com/doi/10.1002/ijc.23584/abstract http://molpharm.aspetjournals.org/content/70/5/1612.abstract *Cures Skin Cancer http://www.ncbi.nlm.nih.gov/pubmed/12511587 *Cures Liver Cancer http://www.ncbi.nlm.nih.gov/pubmed/21475304 *Cures Biliary Tract Cancer http://www.ncbi.nlm.nih.gov/pubmed/19916793 *Cures Bladder Cancer http://www.medscape.com/viewarticle/803983 (Sign-up required to view study)

*Destroys Cancer in General
http://www.ncbi.nlm.nih.gov/pubmed/12514108 http://www.ncbi.nlm.nih.gov/pubmed/15313899 http://www.ncbi.nlm.nih.gov/pubmed/15313899

Can cannabis or cannabis oil cure cancer?