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This article is solely based on the medical benefits of marijuana for those with a valid medical prescription. We are highlighting the positive aspects only based on researches and scientific evidence. Please note, Lifehack does not promote the consumption of marijuana for recreational purposes.
Before I begin, let me take you to 2737 BC. It has been described that during that period, the first direct reference was found in China in the writings of the Chinese Emperor Shen Nung. The first use of cannabis products was as psychoactive agents.
In the writings, the focus was mainly on its power as a medication for rheumatism, gout, malaria, and funny enough, for absent-mindedness. The importance of medicinal value was focused primarily on intoxication properties.
Gradually its use spread from China to India, and then to North Africa, and reached Europe as early as AD 500. Marijuana was listed in the United States Pharmacopeia from 1850 till 1942. It was prescribed for different medical uses such as labor pain, nausea, and rheumatism.
From the 1850s to the 1930s, cannabis started to grow famous for recreational purposes. As the intake of this drug increased over time, The Controlled Substances Act of 1970 classified it as a Scheduled 1 Drug. So naturally, controversies arose surrounding the medical use of marijuana.
To make it more medical-friendly, the active ingredient, THC, was synthesized in 1966, and finally approved by the U.S. Food and Drug Administration in 1985.
A 1999 U.S. Government-sponsored study by the Institute of Medicine uncovered the beneficial properties of marijuana in certain medical conditions such as nausea caused by chemotherapy and wasting caused by AIDS. Since 1999, a number of studies have been done to show that smoked marijuana has pain-reducing effects.
In 1996, California became the first state to legalize the use of marijuana for medical objectives, and about 24 of the states now have some sort of medical marijuana legislation.
Medical benefits of marijuana
You will be surprised to know why studies have been done on this herb, and for your favor, here is the list of 20 medical benefits of marijuana you probably never knew!
1. Slow and stop cancer cells from spreading
It was found in the study, published in the journal Molecular Cancer Therapeutics, that Cannabidiol has the ability to stop cancer by turning off a gene called Id-1.  In 2007, researchers at California Pacific Medical Center in San Francisco, reported that CBD might prevent cancer from spreading. The researchers experimented on breast cancer cells in the lab that had a high level of Id-1 and treated them with Cannabidiol.
The outcome was rather positive, the cells had decreased Id-1 expression, and were less aggressive spreaders. In fact, the American Association for Cancer Research has found that marijuana actually works to slow down tumor growth in the brain, breast, and lungs considerately.
2. Prevent Alzheimer’s
THC, the active ingredient present in marijuana, slows the progression of Alzheimer’s disease, a 2006 study led by Kim Janda of the Scripps Research Institute found out. THC slows the formation of amyloid plaques by blocking the enzyme in the brain that makes them. These plaques kill the brain cells and potentially lead to Alzheimer’s disease.
3. Treat Glaucoma
Marijuana can be used to treat glaucoma, which increases the pressure in the eyeball, injuring the optic nerve and causing loss of vision. According to the National Eye Institute, marijuana lowers the pressure inside the eye,
“Studies in the early 1970s showed that marijuana, when smoked, lowered intraocular pressure (IOP) in people with normal pressure and those with glaucoma.”
These effects of the drug can prevent blindness.
4. Relieve Arthritis
In 2011, researchers reported that cannabis reduces pain and inflammation, and promotes sleep, which may help relieve pain and discomfort for people with rheumatoid arthritis.
Researchers of the rheumatology units at several hospitals gave their patients Sativex, a cannabinoid-based pain-relieving medicine. After two weeks, patients on Sativex had a significant reduction in pain and improved better sleep quality compared to placebo users.
5. Control Epileptic seizure
A 2003 study showed that marijuana use can control epileptic seizures.
Robert J. DeLorenzo, of Virginia Commonwealth University, gave marijuana extract and synthetic marijuana to epileptic rats. The drugs stopped the seizures in about 10 hours.
It was found that the THC controlled the seizures by binding the brain cells responsible for controlling excitability and regulating relaxation. The results were published in the Journal of Pharmacology and Experimental Therapeutics.
6. Ease the pain of multiple sclerosis
Marijuana works to stop the adverse neurological effects and muscle spasms caused by multiple sclerosis. A study published in the Canadian Medical Association suggests that marijuana may ease painful symptoms of multiple sclerosis.
Jody Cory Bloom studied 30 multiple sclerosis patients with painful contractions in their muscles. These patients didn’t respond to other medications, but after smoking marijuana for a few days, they reported that they were in less pain. The THC in marijuana bonds the receptors in the nerves and muscles to relieve pain.
7. Soothe tremors for people with Parkinson’s disease
Recent studies from Israel shows that smoking marijuana remarkably reduces pains and tremors and improves sleep for Parkinson’s disease patients. What was impressive about the research was the improvement of fine motor skills among patients.
Israel has made medical marijuana legal, and a lot of research into the medical uses of weed is done there, supported by the Israeli Government.
8. Help with Crohn’s disease
Cannabis may be helpful with curing Crohn’s disease. Crohn’s disease is an inflammatory bowel disorder that causes pain, vomiting, diarrhea, weight loss, and more.
But a recent study in Israel showed that smoking a joint considerably reduced Crohn’s disease symptoms in 10 out of 11 patients, and caused a complete cancellation of the disease in five of those patients.
Of course, this is a small study, but other researches have shown similar results. The cannabinoids from cannabis seem to help the gut control bacteria and intestinal function.
9. Decrease the symptoms of Dravet’s Syndrome
Dravet Syndrome causes seizures and severe developmental delays. Dr. Sanjay Gupta, a renowned chief medical correspondent for CNN, is treating a five years old girl, Charlotte Figi, who has Dravet’s Syndrome, with medical marijuana strain high in cannabidiol and low in THC.
During the research for his documentary “WEED,” Gupta interviewed the Figi family, and according to the film, the drug decreased her seizures from 300 a week to just once every seven days. Forty other children are using the same medication, and it has helped them too.
The doctors who are recommending this medication say that the cannabidiol in the plant interacts with the brain cells to quiet the excessive activities in the brain that causes the seizures.
10. Lessen side effects from treating Hepatitis C, and increase treatment effectiveness
Treating Hepatitis C infection has severe side effects, so severe that many people are unable to continue their treatment. Side effects range from fatigue, nausea, muscle pains, loss of appetite, and depression- and they last for months.
But, medical marijuana to the rescue:
A 2006 study in the European Journal of Gastroenterology and Hepatology discovered that 86% of patients using marijuana successfully finished their therapies, while only 29% of the non-smokers completed their treatments, maybe because marijuana helps to lessen the treatments’ side effects.
Cannabis also helps to improve the treatment’s effectiveness. 54% of the Hep C patients smoking marijuana got their viral levels low, and kept them low, compared to the only 8% of the non-smokers.
To read the other 10 benefits visit the original article by clicking here.