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New study says weed doesn’t cause a hangover, questioning drug tests on workers



A new study says there’s little evidence that people experience a hangover or effects the day after consuming weed. The findings call into question employer policies on testing workers for drugs, raising the question: If workers don’t experience lingering effects of THC, why should employers care what workers do the night before a shift? 

Although some states have relaxed their policies, employers in a majority of states are allowed by law to test workers for drugs, including cannabis. Workers can get fired or turned down for a job for trace amounts of weed in their system, regardless of if someone has a medical marijuana card, or are using cannabis for health reasons.

Workplace drug testing has existed since 1986 when the Reagan administration began requiring THC testing for federal employees. Despite legalization across the country, cannabis is still stigmatized in many ways, and the new study calls into question drug testing policies. 


Can employers drug test workers for marijuana in my state?

What does the study say?

The new paper reviews 20 past studies and found that a “window of impairment” lasts between 3-10 hours after cannabis consumption. The duration was determined by dose, method of consumption, and frequency of use, with a higher dose, oral consumption (vs. inhalation), and occasional use leading to a longer duration of effects.  

Researchers found that cognition and performance were not affected after this window, and didn’t find lingering effects the next day.

“Most studies didn’t detect ‘next day’ effects of cannabis use, and the few that did had significant limitations,” said Dr. Danielle McCartney, from the University of Sydney, in a press release. “Overall, it appears that there is limited scientific evidence to support the assertion that cannabis use impairs ‘next day’ performance.”

Across the 20 studies, 345 performance tests were administered, and only 12 tests, or 3.5% of the total, showed negative effects the day after cannabis consumption. Even so, testing protocols in those studies weren’t optimal and the studies were conducted more than 18 years ago.


How to pass a drug test for weed–the ultimate guide

How does drug testing work?

When employers test workers, usually any sign of THC is enough to fail a test. For some tests, if you smoked only one joint a few months ago, it can still show up in your system and you could lose your job due to a drug test. 

THC can stay in a person’s system for a long time, and there are multiple types of drug tests that can be performed on a person:

  • Blood—can detect up to 2 weeks
  • Saliva—can detect up to 30 days
  • Urine—can detect up to 60 days
  • Hair follicle—can detect up to 120 days

Every person’s body processes drugs differently, so there’s no one answer to how long a drug will stay in a body. Body size (or BMI), metabolism, overall health, and frequency of consumption all factor into how quickly a body will get rid of a substance.

Some employers test prospective employees as a condition for hiring, and some test employees at random, so workers will never know when a test is coming. Many say that urine tests in particular can be degrading, as the tester often has to watch during the process.


THC detox: Myths, facts, and tips to get weed out of your system

Implications for drug testing at work

Two main aspects of performance researchers looked at were driving and “safety-sensitive task performance,” of particular concern to transit workers and defense personnel, among others. But these tasks were also not affected from cannabis consumption the previous day.

For the past few years, there has been a labor shortage of truck drivers, and the new study helps dispel concerns about cannabis use for those workers. 

“People are being advised not to drive or perform other safety-sensitive tasks for 24 hours after cannabis use,” said McCartney. “However, we found little evidence to support this recommendation.”

The researchers also looked at next-day THC effects compared to alcohol hangovers, finding that a “THC ‘hangover’ is unlikely to be more impairing than an alcohol hangover, which is generally tolerated among drivers and individuals employed in safety-sensitive positions.”

Drug tests can be an invasion of privacy, and the procedure for taking a drug test is often thought to be degrading. Drug tests can also be in error. Many organizations, including the ACLU, say that the main safety concern should be whether a person can perform a task, not necessarily if they have a drug in their system. A lot’s at stake with drug tests, including a job, and a livelihood, and people who use cannabis for health reasons fear giving up the plant simply to get a job.

“Policy makers should bear in mind that the implementation of very conservative workplace regulations can have serious consequences, such as termination of employment with a positive drug test,” said the authors in the study. “They can also impact the quality of life of individuals who are required to abstain from medicinal cannabis used to treat conditions such as insomnia or chronic pain for fear of a positive workplace or roadside drug test.”

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Can your cardio sabotage efforts to pass a drug test?




In Part I of this series, we learned how the endocannabinoid system regulates and responds to physical activity. The endocannabinoid system is crucial for generating the motivation to engage in voluntary exercise and exercise itself alters its sensitivity to cannabinoids. In Part II, we saw that endocannabinoid receptors are present in the lungs, heart, and blood vessels–key tissues for exercise performance. 

Endogenous cannabinoids are made from specific dietary fats and regulate various aspects of metabolism. Plant cannabinoids like THC are fat-soluble molecules and some of the THC you consume accumulates in adipose (fat) tissue. This suggests that the amount of body fat you have, and the rate at which you burn it off, could affect how quickly that THC gets released from fats stores into the bloodstream. 

Can burning off body fat actually lead to measurable changes in blood THC levels?

Effects of fasting & exercise on blood THC levels

Takeaway: THC is stored in fat, and burning fat releases it.

The effects of fasting and exercise have been measured in both animals and humans in a limited number of studies. One rodent study gave rats THC daily for five days, followed by a three-day “wash out.” After that, some were fasted for 24-hours. Compared to non-fasted rats, fasted rats had higher blood concentrations of THC-COOH, but not THC. THC-COOH is a metabolite of THC–what drug tests measure in urine samples. Elevated blood THC-COOH was also seen when rats fasted for 20 hours immediately following a single dose of THC.

Another rodent study gave rats THC daily for ten days (twice as long as the last study) followed by a 24-hour fast. Compared to non-fasted animals, higher blood levels of both THC and THC-COOH were detected in fasted animals, although the increase in THC was much smaller than for THC-COOH.

A limited number of human studies have looked at the effects of exercise and fasting on blood THC/THC-COOH levels in people. In a small study of six chronic, daily cannabis consumers, they did 45-minutes of moderate-intensity exercise (treadmill running) followed by a 24-hour fast. No significant elevation in either THC or THC-COOH was detected.

Why would this be, given the results of animal studies above showing an elevation of THC-COOH following fasting? One explanation is the duration of the study: humans live roughly thirty times longer than rats. A 24-hour fast for a rat is roughly equivalent to a month-long fast for a human. It’s possible that a short one-day fast in humans is not enough time to burn much fat.

There was a significant increase in blood THC levels, but not THC-COOH, immediately after exercise.

Another human study made additional observations that shed further light on the matter. Fourteen regular cannabis consumers had their blood tested before, immediately after, and two hours following 35 minutes of stationary bicycling. There was a significant increase in blood THC levels, but not THC-COOH, immediately after exercise. The effect normalized after two hours.

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Researchers made an additional, interesting observation: body mass index (BMI) was significantly correlated with the change in blood THC levels following exercise. Individuals with higher BMIs (more body fat) tended to see a larger spike in blood THC levels after exercise. This may explain why no change was detected in the previous study–those individuals had an average BMI of about 21, while the majority in this study had BMIs over 21.

The experiments in rodents found that fasting can produce elevations in blood THC-COOH levels, with little to no elevation in THC levels. In contrast, human studies found that a combination of exercise and fasting could elevate THC levels (but not THC-COOH), with larger elevations seen in those with higher BMIs. Why would human studies find an elevation in THC, but rodent studies see an elevation in THC-COOH? One possibility is drug metabolism. Rodents metabolize drugs much faster than we do, so there is perhaps less time for THC to accumulate in fat prior to being metabolized into THC-COOH. 


How to order weed delivery online with Leafly

Could burning fat get you high or make you fail a drug test?

Takeaway: Get you high? Maybe. Fail a drug test? Unlikely.

Assuming the results above in humans hold true—that blood THC levels can be elevated by fasting and exercise (at least in people with sufficient levels of body fat) — could burning body fat result in a psychoactive effect? 

It’s hard to be sure without more robust data, but it’s entirely possible.

In the study that detected an increase in blood THC levels in both fasted and non-fasted cannabis consumers following exercise, there was a roughly 15% increase in blood THC levels, on average. In a study that measured blood THC levels after vaporizing cannabis, a relatively low 10 mg dose of THC–enough to cause psychoactive effects in the majority of study participants–resulted in a ~10% average increase in blood THC levels. A higher 30 mg dose resulted in a ~30% increase. 

… a 15% increase in blood THC levels from exercise and fasting could conceivably induce a psychoactive effect.

So, a 15% increase in blood THC levels from exercise and fasting could conceivably induce a psychoactive effect. Unfortunately, the study that measured this blood THC increase following exercise/fasting did not also measure whether participants felt any psychoactive effects. 

Overall, these results suggest that those with more body fat may be vulnerable to higher levels of blood THC following fat burning. More fat to burn means more room to accumulate THC over time. One prediction here would be that longer durations of fasting or higher intensity exercise, resulting in more fat burn, could induce greater increases in blood THC levels, especially in those with more body fat. 


New Year, New Laws: Weed workers’ rights kick in, and more

As far as the drug testing concern goes, the results of human studies suggest that there would be no elevated risk of failure, as blood THC-COOH levels—what urine tests look for—were not elevated following fasting and exercise in humans. It’s conceivable that more intensive exercise or longer fasts might push up THC-COOH levels, but I’m not aware of any studies looking at this. 

Cannabinoids are fatty molecules—our own endogenous cannabinoids are made from dietary fats, and plant cannabinoids can be stored in fat tissue and influence our eating behavior and metabolism. It’s worth knowing about these things as you engineer your lifestyle and craft intentions for the new year.

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Anti-Doping Policy

UFC Removes Cannabis from Banned Substance List




Summary: The Ultimate Fighting Championship (UFC) has officially removed cannabis from its list of prohibited substances for athletes, marking a significant policy change in the organization’s approach to drug testing and athlete health.

UFC Updates its Sports Cannabis Policy

In a landmark decision, the UFC has officially excluded cannabis from its revised list of banned substances for professional fighters. This move follows the UFC’s 2021 initiative to protect fighters from penalties related to THC-positive test results. The UFC’s updated anti-doping policy reflects its commitment to athlete health and safety, as well as fair competition.

The UFC’s prohibited substance list generally aligns with the World Anti-Doping Agency (WADA) guidelines. However, the UFC has made specific adjustments, notably the removal of marijuana, in response to evolving understandings of the substance’s effects and implications.

Among the changes in the UFC’s Anti-Doping Policy a new comprehensive list of prohibited substances was created, excluding cannabis (AKA marijuana or weed), with Decision Concentration Limits for differentiating intentional from unintentional substance use.

This policy revision aligns the UFC with other major sports leagues like the NBA, MLB, and NHL, which have also relaxed their stance on cannabis use among athletes.

Why It Matters: The UFC’s decision to remove cannabis from its list of banned substances represents a significant shift in the sports world’s attitude towards cannabis use. It acknowledges the evolving scientific understanding of cannabis and its effects, potentially influencing other sports organizations to reconsider their policies.

Potential Implications: This policy change could lead to broader acceptance of cannabis use in professional sports, influencing drug testing policies and athlete health protocols across various sports leagues. It may also contribute to the ongoing debate about cannabis legalization and its role in society.

And we would like to know how will the UFC’s decision to remove cannabis from its banned substances list impact athletes’ performance and health…

Source: Cannabis now

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AI Disclaimer: This news update was created using a AI tools. PsychePen is an AI author who is constantly improving. We appreciate your kindness and understanding as PsychePen continues to learn and develop. Please note that the provided information is derived from various sources and should not be considered as legal, financial, or medical advice.

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drug testing

Drug Testing for Marijuana – The Joint Blog




Drug Testing for Marijuana

Much of the world hasn’t fully realized the harmlessness nor embraced the benefits of marijuana. Government fueled propaganda campaigns and other movements of marijuana misinformation have had lasting effects that legislature has been slow to correct. One of the unfortunate results of past and present misinformation has been unprovoked and invasive drug screens. Approximately 84 percent of employers require pre-employment drug tests; this doesn’t include the countless other reasons that one might be subjected to testing.


For now, drug screening is a reality that many of us will have to face at one point or another. We’ve put together a complete overview of drug testing for marijuana and provided some guidelines to follow to help you pass them. We don’t believe that anyone should be subjected to an unprovoked drug screen and hope that you find this useful for the next time you have to visit a lab.


Marijuana Is Quickly Metabolized but THC Metabolites Can Linger


Delta Extrax

The high from using marijuana will often disappear within a few hours, but the actual mechanism that gets one high and that which the labs test for can linger in the system and be detected for up to weeks depending on the frequency and quantity used. The primary psychoactive ingredient in marijuana – Tetrahydrocannabinol, delta-9-THC or simply THC – enters one’s bloodstream soon after using.


THC is typically only detectable in the bloodstream for 3 to 24 hours because it is quickly metabolized into THC-COOH molecules commonly called THC metabolites. As you’ve likely heard, these THC metabolites are stored in fat and gradually released through the body’s natural excretion systems (approximately 20% is excreted in urine, approximately 65% in feces and the remainder in sweat). We’ll address these three natural excretion systems later in this article since they are important factors when attempting to come up with a successful detox program.


Drug Screening Methods


The most well-known drug testing types include hair, saliva, blood and urine. Oral fluid and blood testing is not very common since THC metabolites are typically only detectable in saliva and blood for up to 72 hours and 24 hours, respectively. 5 and 10-panel urinalysis screens for are much more popular given their cost and extended detection times. Since they’re so much more common (more than 75% of the pre-employment testing administered), passing a urinalysis will be our focus.


Urinalysis Detection Times


Some THC metabolites have an elimination half-life of less than 24 hours. Most credentialed experts agree the remainder won’t be released from the body’s fatty tissues for 15 to 30 days. There have been reports of detection times longer than 30 days but this has been very rare; the most credible source and recent (last updated October 2016) study on detection times has been by the Mayo Medical Laboratories:


This of course is dependent on how often a person smokes (frequency), how much they smoke (quantity), and their metabolism (general health, diet and exercise).


Urinalysis Accuracy


False positives are rare for cannabis due to how commonly it’s tested (because of how often it’s used). Labs are very sophisticated and kept up to date on how individuals cheat these tests. The laboratory first screens the sample with an immunoassay screen (also called an EMIT and or RIA). False positives are rare because if a positive result is returned, the sample is again screened with a backup method called a GCMS, which is much more costly but also much more accurate.


Can You Cheat Your THC Drug Screen?


There are a lot of suggestions online in forums and on YouTube about how to cheat a drug test; as stated before, labs are well aware of these and thus they rarely work. If a drug screen results in a tainted sample, they’ll simply require that you take another. Some common advice for cheating includes:



  • This includes drinking a lot of water and urinating several times before the test. This is helpful for lowering THC levels in your system and should be part of any detox program but this should not be relied on as a fail-safe. We recommend always drinking a healthy amount of water (at the very least eight 8-ounce glasses a day).



Masking Agents


Some companies sell various substances that mask a drug sample. These typically return false positives and require the lab to legally take a second sample, one which the individual often fails.




This requires adding something to the urine to contaminate it and through off the lab results. Out of all the ways to cheat a drug test, we recommend these the least. They are even less likely to work than a masking agent, as it will only return a false positive and require the lab to legally take a second sample.


If you have to take a urine screen for employment or other purposes then we highly recommend you do a full detox and not attempt to “cheat” the test. Although how long it takes is different for everyone, eventually your body will remove THC from you system through its natural processes.


That being said, there are ways to boost you body’s excretion systems (urination, feces and sweating) and speed up THC removal. If you have at least three weeks until your drug screen and are a fairly healthy person that isn’t a very heavy smoker, then we’re confident you can detox naturally and pass your test by following the below:


  1. Abstain from inhaling or ingesting marijuana – Obvious enough.
  2. Eat a clean diet that is low in carbohydrates and sugar – A diet like this forces the body to metabolize fat (where THC metabolites are stored) instead of glucose.
  3. Drink lots of water and green tea – Having healthy amounts of both water and green tea will lower THC metabolite levels through their diuretic properties and cleansing of the kidneys. Additionally, hydration is a key factor for a robust metabolism.
  4. Exercise and hit the sauna, steam-room or jacuzzi – All of these will speed up a person’s metabolic rate, burn THC metabolites and stimulate waste removal.
  5.  Use a Detoxification Product cleanse in about a week


Natural Detox Kits


If you have less than two weeks until your THC urinalysis or are simply looking for additional assurance that you’ll pass, we recommend obtaining a natural ingredient detox kit. These natural kits are typically safer than many of the harsh masking agents on the market. Additionally, if you only have a short amount of time, detox kits that truly remove detectable THC metabolites from your system can be the missing link between your body’s excretion systems and passing your test. One of the natural detox kits that we recommend is Verdant Herbal’s 48 Hour THC Detox Kit.


Verdant Herbal’s detox kit is a unique THC cleanse that has evolved over the past 8 years using customer research, feedback and independent studies done within the industry. They have isolated the most effective ingredients and brought them all together into one comprehensive formula using only pharmaceutical grade (certified) natural extracts. Each of the ingredients has a specific function for enhancing the detox process.




Remember, when preparing for a drug screen, time is your most valuable commodity; the more time you have the more likely you are to be able to detox naturally. Other important variables include frequency of use, quantity of use, metabolic rate and overall health.


Home drug test can be used to find out if you’ll definitely fail a lab test but not to find out if you’ll pass; meaning, if you fail a home drug test then it’s essentially guaranteed that you’ll fail a lab test but passing a home drug test doesn’t mean that you’ll pass a lab test. Lastly, if you’re short on time, then extra measures like detox kits are an option and should be considered to ensure you pass your test without any issues.


Good luck to all!

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