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The Truth about Pot

January 22, 2019 By David Palmer Leave a Comment

 

 

Over the past 30 years, a shrewd and expensive lobbying campaign has made Americans more tolerant of marijuana (also known as Cannabis or Pot). In November 2018, Michigan became the 10th state to legalize recreational Marijuana use. Arkansas, New Jersey and others are likely to follow.

Already more than 200 million Americans live in states that have legalized marijuana for medical or recreational use. Yet even as marijuana use has become more socially acceptable, psychiatrists and epidemiologists have reached a consensus that it presents more serious risks than most people realize.

These, and other findings, were included in an article in the Wall Street Journal by Alex Berenson in early January. Berenson, a former New York Times reporter, is the author of the new book, “Tell your children: The truth about Marijuana, Mental illness and Violence”

Contrary to the predictions of both advocates and opponents, legalization hasn’t led to a huge increase in people using the drug casually. About 15% of Americans used cannabis at least once in 2017, up from 10 percent in 2006 according to the federal government’s National survey on Drug Use and Health. By contrast, almost 70 percent of Americans had an alcoholic drink in the past year.

Heavy use is soaring

But the number of Americans who used cannabis heavily is soaring. In 2006, about 3 million Americans reported using the drug at least 300 times a year, the standard for daily use. By 2017, that number had increased to 8 million—approaching the 12 million Americans who drank every day. Put another way only one in 15 drinkers consumed alcohol daily; about one in five marijuana users used cannabis that often.

A 2007 article in the Medical Journal of Australia looked at 88 defendants who had committed homicide during psychotic episodes. It found that most of the killers believed they were in danger from the victim and almost two thirds reported misusing cannabis- more than alcohol and amphetamines combined.

Betty Ford/Hazelton,  one of the nation’s top treatment facilities, provides key information on its web site about Marijuana addiction and its treatment, portions of which are included below verbatim.

What marijuana is

Marijuana—also known as weed, pot, grass, bud, herb, ganja and Mary Jane, among other slang terms—refers to the dried leaves, flowers, stems, and seeds of the Cannabis sativa plant, which contains the psychoactive (mind-altering) chemical delta-9-tetrahydrocannabinol (THC) as well as other related compounds. Cannabis plant material can also be concentrated in a resin called hashish or a sticky black liquid called hash oil.

Marijuana is the most commonly used illicit drug in the United States, typically smoked as a hand-rolled cigarette (joint) or in a pipe or water pipe (bong). The drug is also smoked in what’s called a blunt—a cigar that’s been emptied of tobacco and refilled with a mixture of marijuana and tobacco. Marijuana smoke has a pungent and distinctive sweet-and-sour odor.

Another way of ingesting the drug is to mix the plant’s leaves, flowers, stems or seeds into food or to brew the leaves as a tea.

Use of medicinal cannabis began in America in the 1850s, when products with cannabis extracts were produced and sold to treat maladies such as pain and muscle spasm. Soon after, pharmaceutical regulations were introduced in some states. Products containing habit-forming substances such as cannabis were often labeled as poisons and, in some cases, were available only with a physician’s prescription.

Today, marijuana is classified by the federal government as a Schedule I substance, which means the drug presents a high risk for abuse and is deemed to have no medicinal uses. However, several states have legalized marijuana for adult recreational use, and 23 states as well as the District of Columbia allow use of medical marijuana to treat certain medical conditions.

While many have called for the legalization of marijuana to treat pain and nausea caused by HIV/AIDS, cancer, and other conditions, clinical evidence does not show that the therapeutic benefits of medical cannabis or medical marijuana outweigh the health risks.

Legitimacy Questioned

To be considered a legitimate medicine by the U.S. Food and Drug Administration (FDA), a drug must have well-defined and measurable ingredients consistent from one unit (such as a pill or injection) to the next. Since the cannabis plant contains hundreds of chemical compounds that vary from plant to plant (and those various compounds may cause different effects) and because the drug is typically ingested via smoking, its medicinal use is difficult to evaluate.

At this time, several THC-based drugs have been approved by the FDA to treat pain and nausea. And scientists continue to investigate the medicinal properties of other chemicals found in the cannabis plant, such as cannabidiol, a non-psychoactive compound being studied for its effectiveness in treating pain, pediatric epilepsy and other conditions.

It’s also important to note that marijuana potency has increased significantly over the years. In 2012, the THC concentration in marijuana samples confiscated by law enforcement averaged near 15 percent, compared with an average concentration of  four percent in the 1980s.

High-potency forms of the drug can expose new users to increased concentrations of THC and greater risk of experiencing adverse or unpredictable reactions. For frequent users, higher potency can increase the risk of marijuana addiction.

The Effects of Marijuana Abuse

When marijuana is smoked, THC passes rapidly from the lungs into the bloodstream, which carries the substance to the brain and other organs throughout the body. THC is absorbed more slowly when ingested through food or drink.

Regardless of how THC is ingested, the substance acts specifically on the brain cell’s cannabinoid receptors. These receptors—ordinarily activated by THC-like chemicals produced naturally by the body—are part of the neural communication network, called the endocannabinoid system, which plays an important role in normal brain development and function.

The highest density of cannabinoid receptors is found in parts of the brain that influence pleasure, memory, thinking, concentration, sensory and time perception, and coordinated movement. Marijuana over-activates the endocannabinoid system, causing the “high” and other effects that users experience, such as:

  • Altered perceptions and mood
  • Impaired coordination
  • Difficulty with thinking and problem solving
  • Disrupted learning and difficulty recollecting memories
  • Decreased appetite

Research indicates that using marijuana can cause or exacerbate problems in daily life. Heavy users tend to report lower life satisfaction, poorer mental and physical health, more relationship problems and less academic or career success when compared with non-using peers. Use of the drug is also associated with a higher likelihood of dropping out of school. Several workplace studies associate marijuana use with increased absences, tardiness, accidents, workers’ compensation claims and job turnover.

Health Risks

Marijuana use is associated with a range of health issues, particularly related to heart and lung problems and mental health conditions.

Marijuana smoke is an irritant to the lungs, and frequent smokers can experience many of the same respiratory problems experienced by tobacco smokers, such as:

  • Daily cough and phlegm production
  • Frequent acute chest illness
  • Heightened risk of lung infections
  • Damage to the immune system
  • Kills brain cells and damages central nervous system
  • Fertility issues
  • Increased heart rate and blood pressure

One study found that people who smoke marijuana frequently but do not smoke tobacco have more health problems and miss more days of work than those who don’t smoke marijuana, mainly due to respiratory illnesses. It is not yet known whether marijuana smoking contributes to the risk for lung cancer.

Research also indicates that use raises the heart rate by 20-100 percent shortly after smoking; this effect can last up to three hours. One study found that marijuana smokers have a 4.8-fold increase in the risk of heart attack in the first hour after using the substance. The risk may be even greater for older adults and those with cardiac vulnerabilities.

A number of studies link chronic marijuana use and mental illness. High doses can produce a temporary psychotic reaction in some users. Use of the drug can also worsen the course of illness for patients who have schizophrenia.

Marijuana abuse has also been associated with other mental health problems, such as:

  • Depression
  • Anxiety
  • Personality disturbances
  • Suicidal thoughts (among adolescents)
  • Lack of motivation to engage in typically rewarding activities

Using marijuana during pregnancy is associated with increased risk of neurobehavioral problems in babies. Because THC and other compounds mimic the body’s own endocannabinoid chemicals, marijuana use by pregnant mothers may alter the developing endocannabinoid system in the brain of the fetus. Consequences for the child can include difficulties related to attention, memory and problem solving.

Marijuana has also been shown to negatively affect the brain development of young people who are heavy users. The effects on thinking and memory may last a long time or even be permanent. A study of individuals who began using the drug in adolescence revealed substantially reduced connectivity in areas of the brain responsible for learning and memory.

A long-term study in New Zealand showed that people who began smoking the drug heavily in their teens lost an average of eight points in IQ between ages 13-38. The lost cognitive abilities were not fully restored in those who quit smoking marijuana as adults.

Those who started smoking the drug in adulthood did not show significant IQ declines.

Additionally, because it impairs judgment and motor coordination, marijuana use contributes to a greater risk of injury or death while driving a car. Data analysis suggests that marijuana use more than doubles a driver’s risk of being in an accident. On a related note, the combination of marijuana and alcohol increases driving impairment more than either substance alone.

More research is needed to better understand the mental health links and ramifications of using marijuana. Proceed with caution.

 

Filed Under: Featured Articles

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