How long does weed stay in your blood stream,

Weed and Your System: How Long Does It Stay in Your Blood Stream?

 Marijuana, also known as cannabis or weed, is a drug that is commonly used for both recreational and medicinal purposes. While its use is becoming more socially acceptable and even legal in some places, there are still concerns about its effects on the body and how long does weed stay in your blood stream.

This is especially important for individuals who are subject to drug tests or need to operate heavy machinery or vehicles. In this article, we will discuss how long weed stays in the bloodstream, as well as the factors that can affect its duration in the body.

What is Weed?

Weed, also known as cannabis, marijuana, or pot, is a psychoactive drug that is derived from the cannabis plant. It is usually consumed for its mind-altering effects, which can include altered perception, relaxation, and euphoria. The primary active ingredient in weed is delta-9-tetrahydrocannabinol (THC), which interacts with the body’s endocannabinoid system to produce these effects.

Side effects of Weed use

The use of marijuana, or weed, can cause a range of short-term and long-term side effects. Here are some of the most common side effects associated with marijuana use:

Short-term memory impairment: 

Marijuana use can cause temporary impairment of short-term memory and attention span, making it difficult to concentrate or remember things.

Impaired coordination: 

Marijuana use can also affect motor skills and coordination, making it difficult to perform tasks that require precise movements or quick reflexes.

Increased heart rate: 

Marijuana use can cause an increase in heart rate, which can be problematic for individuals with heart conditions.

Dry mouth and eyes: 

Marijuana use can cause dry mouth and eyes, also known as “cotton mouth” and “red eye.”

Anxiety and paranoia: 

In some individuals, marijuana use can cause feelings of anxiety or paranoia, particularly when used in high doses or in unfamiliar settings.


While marijuana is not considered as addictive as some other substances, regular use can lead to physical and psychological dependence.

Respiratory issues: 

Smoking marijuana can cause respiratory issues, such as coughing, wheezing, and bronchitis.

Long-term cognitive effects: 

Some research suggests that regular marijuana use, particularly in adolescence, may lead to long-term cognitive impairment, including memory and attention deficits.

How Long Does Weed Stay in Your Bloodstream?

The duration that weed stays in the bloodstream can depend on several factors, including the method of consumption, frequency of use, and individual factors such as metabolism and body fat percentage.

How long does weed stay in your blood stream When it’s smoked, THC is rapidly absorbed into the bloodstream through the lungs, leading to a quick onset of effects. However, the effects of smoking usually last for a few hours, and THC can be detectable in the bloodstream for up to 24 hours after use.

What Factors Impact How Long Weed Stays in Your System?

Several factors can impact how long weed stays in your system, including:

Method of consumption: 

The method of consumption can have a significant impact on how long weed stays in your system. Smoking or vaporizing marijuana leads to rapid absorption into the bloodstream, resulting in a quicker onset of effects but a shorter duration in the body. On the other hand, consuming edibles or capsules leads to slower absorption, resulting in a delayed onset of effects but a longer duration in the body.

Frequency of use: 

The frequency of marijuana use can also impact how long it stays in your system. The more frequently you use marijuana, the longer it will take for your body to metabolize and eliminate it.


The higher the dose of marijuana consumed, the longer it can stay in your system. This is because higher doses contain more THC, which takes longer to metabolize and eliminate from the body.


Metabolism plays a significant role in how long weed stays in your system. People with faster metabolisms tend to eliminate THC from their system more quickly than those with slower metabolisms.

Body fat percentage: 

THC is fat-soluble, meaning it can be stored in fat cells in the body. People with higher body fat percentages may retain THC in their system for a longer period compared to those with lower body fat percentages.


Age can also impact how long weed stays in your system. As we age, our metabolism tends to slow down, which can lead to a longer duration of THC in the body.

Does Weed Make You Gain Weight?

Marijuana use has been associated with an increase in appetite, also known as the “munchies,” which can lead to overeating and potentially weight gain. THC, the primary active ingredient in marijuana, can stimulate the release of hormones that increase appetite and promote the desire for high-calorie foods.

However, whether marijuana use directly causes weight gain is a complex issue that can depend on several factors. Some studies suggest that regular marijuana use may be associated with higher body mass index (BMI) and increased risk for obesity. However, other studies have found no significant association between marijuana use and BMI or weight gain.

It’s also worth noting that the relationship between marijuana use and weight gain may be influenced by other factors, such as lifestyle and diet. For example, individuals who use marijuana regularly may also engage in other behaviors that contribute to weight gain, such as physical inactivity or unhealthy dietary choices.

What does bad weed look like?

There are several signs that can indicate that the weed you have is of low quality or has gone bad. Here are some things to look out for:

Discolored or brownish appearance: 

High-quality weed should have a green color with some orange or purple hues, depending on the strain. If the buds are brown, it could be a sign that they are old or have been exposed to too much light, heat, or air.

Poor smell or odor: 

Good quality weed should have a pungent and distinct aroma. If the weed has a musty, moldy, or damp smell, it may indicate that it’s old or has been improperly stored. Additionally, if the weed smells like hay or has a weak aroma, it may be a sign of low quality.

Harsh smoke or taste: 

High-quality weed should produce a smooth and flavorful smoke that’s not too harsh on the throat or lungs. If the smoke is harsh or tastes bad, it could be a sign that the weed was not dried or cured properly.

Presence of seeds or stems: 

Good quality weed should be free of stems, seeds, or other plant material. If you notice a lot of seeds or stems in your weed, it could be a sign that it’s of low quality or was not properly cultivated.

Poor trichome coverage: 

Trichomes are tiny, hair-like structures found on the surface of cannabis buds that contain the plant’s active compounds, including THC. Good quality weed should have a thick coating of trichomes. If the buds look dry, brittle, or have very little trichome coverage, it could be a sign of low quality.

How many calories does weed have?

In fact, raw cannabis flower contains very little nutritional value and is not considered a significant source of macronutrients, such as carbohydrates, proteins, or fats.

However, when cannabis is consumed through edibles, such as baked goods or gummies, the calorie content can vary depending on the ingredients used in the recipe. For example, a cannabis-infused brownie may contain several hundred calories, depending on the size and ingredients used.

Frequently Asked Questions

Q1: Is weed legal?

Ans: The legality of marijuana varies by country and state.

Q2: Can you overdose on weed?

Ans: While it’s unlikely to overdose on marijuana, consuming too much can cause adverse effects.

Q3: Can weed help with anxiety?

Ans: While some individuals find that marijuana can help alleviate anxiety symptoms, it can also exacerbate anxiety in others.

Q4: Can you become addicted to weed?

Ans: While marijuana is not considered as addictive as some other substances, regular use can lead to physical and psychological dependence.

Q5: Can you fail a drug test from secondhand smoke?

Ans: It’s unlikely to fail a drug test from secondhand smoke exposure, but it’s still possible in some cases.

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