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How long does weed stay in your system? Here’s everything you need to know

By Alma Fabiani

Apr 17, 2021

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On Tuesday 20 March 2021, many of us will be celebrating 420, also known as weed day. After the year the COVID-19 pandemic made us go through, we deserve this sesh, to say the least. But, as fun as 420 is, we’re also aware that for some, smoking cannabis—and therefore having it in your system for a little longer—can be an issue for many different reasons. That’s why, in anticipation of the day, we tell you everything you need to know about exactly how long for traces of your Tuesday smoking sesh might still be detectable in your system. You’re welcome!

It varies depending on the dose you consume

Marijuana is usually detectable in bodily fluids for one to 30 days after last use. And just like with other drugs, cannabis may also be detectable in your hair for several months. The type of cannabis you consume also plays a factor. For example, using THC capsules in Canada versus edibles will have a different impact on your body and how long it stays in your system.

Weed detection windows depend on how much you smoke (or ingest), as well as how often. In general, higher doses and more frequent use are associated with longer detection times. For daily users, it may be detectable for several months after last use. The longest-reported detection times are over 90 days.

So, how long is weed detectable in your system via different types of drug testing?

Blood testing

According to an article in Therapeutic Drug Monitoring, weed is typically detectable in the blood for one to two days. However, in some cases, it’s been detected after 25 days! As mentioned above, chronic heavy use increases the length of time that it can be detected.

Weed becomes detectable in someone’s bloodstream within seconds of inhalation. It’s distributed to the tissues, while some of it is reabsorbed in the blood and broken down. Its metabolites—which are what drug testing methods will notice—may remain in the bloodstream for days.

Urine testing

Urine testing tends to be the most common testing method when it comes to cannabis usage. Weed is detectable in urine for the following amounts of time after last use:

Occasional users (up to three times a week): 3 days
– Moderate users (four times a week): 5 to 7 days
– Chronic users (daily): 10 to 15 days
– Chronic heavy users (multiple times a day): more than 30 days

Saliva testing

According to a 2014 research on cannabinoids in oral fluid, weed is detectable in saliva for the following amounts of time after last use:

– Occasional users: 1 to 3 days
– Chronic users: 1 to 29 days

Weed can enter the saliva through smoking and exposure to smoke. However, its metabolites are only present in saliva when it has been smoked or ingested, so no, your secondhand high doesn’t count.

Hair testing

Hair follicle tests assess drug use for up to 90 days. After use, weed reaches the hair follicles via small blood vessels, which is why trace amounts may remain in the hair.

“Since hair grows approximately 0.5 inches per month, a 1.5-inch hair segment taken close to the scalp can provide a window of weed use for the past three months,” writes Healthline.

Is there anything you should do to metabolise it faster?

Unfortunately, there isn’t much you can do to speed up the amount of time it takes for weed to leave your system. Once it’s entered your system, your body simply needs time to break it down. Exercising, eating healthy, and staying hydrated may help, but not drastically.

Online, many advise drinking a lot of water to dilute your urine, and then using herbal supplements such as creatinine or vitamin B-12 to mask the dilution. These kits aren’t fully reliable.

All in all, weed may stay in your system anywhere from several days to several months after last use. Detection windows depend on the drug test used and other factors such as whether you smoke or ingest weed on a regular basis. So don’t go too hard this Tuesday if you’re worried about the aftermath of your 420 celebration.

How long does weed stay in your system? Here’s everything you need to know


By Alma Fabiani

Apr 17, 2021

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10 of the best 420-friendly vacation destinations around the globe

By Michael Jacobs

Mar 14, 2021

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Summer might be not so soon, but it’s never too early to start planning your next holiday destination! You might be looking for a place that has a distinct qualification: somewhere you can smoke some cannabis legally and peacefully. Look no more! Here are ten of the most beautiful 420-friendly places to visit on your next vacation. Pack your favourite vape and let’s go on a trip.

Lisbon, Portugal

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Une publication partagée par André Ginja (@andginja)

If being cannabis-friendly was ranked on a scale of 1 to 5 with 5 being completely legal, you’d find Portugal rated at a 4.5 according to Webehigh.org. It’s not exactly legal, meaning that you won’t find open markets, but cops tend to look the other way if people are otherwise behaving themselves.

Freetown Christiana, Copenhagen

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Une publication partagée par CHRIS IDH (@chris_idh)

Christiana is a largely autonomous neighbourhood found in the capital of Denmark, Copenhagen. The city isn’t big—roughly one-eighth of a square mile and boasting only about 900 residents. An open-air market located on the unfortunately-named Pusher Street is there to greet cannabis consumers. Be sure to haggle for better prices. In the rest of Denmark, cannabis is largely tolerated so long as it is not bothering other people.

Denver, Colorado

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Une publication partagée par Jamie Rogers (@captaincoloradophotography)

Colorado passed recreational marijuana laws back in 2012, coming in slightly before Washington. It’s no wonder that the state has the most-developed “cannatourism” market in the world. Here, you’ll find bed and breakfasts that cater to stoners, along with tours where you can see every aspect of the industry, from cultivation and dispensaries to edibles. There’s also a highly-praised craft beer scene to shake things up a bit.

Montevideo, Uruguay

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Une publication partagée par Alex UK | Travel Photography (@_thehappytraveller_)

Montevideo is the capital of this tiny South American country that became the first country to legalise cannabis in 2013. The only catch is that only legal citizens can grow the plants or purchase cannabis from a pharmacy. That just means that you’ll have to make friends on your vacation—don’t worry, the locals are friendly and laid back.

Amsterdam, Netherlands

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Une publication partagée par The Globe Wanderer (@theglobewanderer)

Amsterdam is most definitely the Mecca of 420 vacation destinations. It hosts the world-famous Cannabis Cup, which has led to the rumour that cannabis is legal. However, travellers and residents alike are allowed to carry up to 5 grams and are welcome to purchase cannabis at one of the many coffee shops.

Negril, Jamaica

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Une publication partagée par 🇯🇲Things To Do In Jamaica 🇯🇲 (@thingstodoinjamaica)

Reggae music, murals of Bob Marley—Negril is just what you would expect it to be—including the white sand beaches. Technically, possession of under two ounces is considered a petty crime, resulting in just a fine. However, locals are always usually willing to sell freshly-picked ganja from plants up in the mountains. Bonus: if you have a medical marijuana card from your home state or country, you can apply for access to medical marijuana in Jamaica.

Seattle, Washington

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Une publication partagée par Erick Ramirez (@r4s)

Nicknamed the Emerald City long before the legalisation of recreational marijuana in 2012, Seattle boasts both things to do in the city and nature getaways in gorgeous National Parks. Rules regarding how the cannabis must be sold in sealed bags or containers and against open smoking in tour vehicles have prevented the cannatourism scene from being as vibrant as Colorado’s, but tours aren’t hard to find and book.

Tel Aviv, Israel

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Une publication partagée par TLV Shine | תלאביב ☀️ (@tlvshine)

Israel is the global leader in cannabis research, thanks to having legalised cannabis in 1992, though only for research purposes. That’s okay, though, because recreational cannabis has been decriminalised too. People often light up freely in Tel Aviv and the beaches and architecture provide the perfect backdrop for a cannabis getaway.

Puerto Viejo, Costa Rica

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Une publication partagée par Visit Costa Rica (@visit_costarica)

Puerto Viejo is a small, coastal city located along the southern Caribbean coast. Bicycles are the primary form of transportation and cannabis is part of a mindset called “pura vida.” After lighting up, lounge on the beach or go exploring in the rainforest to catch sight of colourful toucans and howler monkeys.

Portland, Oregon

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Une publication partagée par Portland, Oregon (@portland)

Quirky and Dionysian are two ways to describe Oregon that would be the most apt metaphors of this northwestern city. Food, art, beer, sex, and of course, nature, are all things that draw tourists to this cannabis-friendly destination. Farms in southern Oregon are producing cannabis that rivals the quality of the famed Humboldt Triangle, and it’s all available in one of the many dispensaries located in the city.

10 of the best 420-friendly vacation destinations around the globe


By Michael Jacobs

Mar 14, 2021

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