The Science Behind THC Vape: How It Works in Your Body

By  //  March 28, 2025

Medical professionals have long researched the effects of cannabinoids on the body. Several studies claim that tetrahydrocannabinol (THC) offers multiple benefits. That’s why some healthcare providers suggest THC to alleviate certain medical conditions. They don’t prescribe them, though, given that there are no strong therapeutic claims.

Now, since smoking THC traditionally is a bit of a hassle for some, vape pens have become a game-changer. It is deemed as a practical way to access the compound.

But is vaping THC as effective as other consumption methods? What does it really do to your body? Read on to find the answers.

What is THC?

THC is a cannabinoid that gives the psychoactive effects people receive from consuming cannabis. It’s the most prevalent molecule in the plant and the most studied.

The human body contains the endocannabinoid system, which has cannabinoid receptors. When THC attaches itself to these receptors, it activates neurons that affect thinking, memory, coordination, and pleasure.

In vape pens, THC can be inhaled with its original taste. However, some manufacturers develop THC vapes with various flavors to cater to different customers. You can choose from several flavors, from tangy Pineapple Haze to sweet Blueberry Cookies.

These varieties give you a high-quality vape experience and are less irritating on the nose.

Physical and Mental Effects of THC Vapes

People often consume THC because it provides several positive effects on the body. However, with every good thing, there’s also something unpleasant, which is true of THC.

Take a look at what it does:

Relieves Pain

The first notable positive effect THC provides is pain alleviation. Many users vouch that THC can relieve chronic pain effectively. This is because THC acts as an analgesic or painkiller.

When consumed, THC binds with the brain and nerve cell receptors to slow down pain impulses. However, in a study with Harvard, Staci Gruber said that it still depends on the severity of the pain. Hence, it’s still up to ones discretion in using THC in pain management. (1)

This effect can only be felt if you’re using a quality vape pen for pain relief from reputable providers. Good thing you can buy now at Vader Premium THC Shop or other stores that offer a wide range of prime flavors at reasonable prices. Consider looking for discreet vape products so you can achieve pain relief while on the go.

Stimulates Appetite

For patients undergoing specific medical treatments that suppress appetites, a THC vape may help. Consuming cannabinoids may make people feel hungry, a phenomenon colloquially known as ‘the munchies.’

THC binds to the receptors in your hypothalamus, the brain region that regulates hunger. When this happens, the THC triggers your hunger signals. You may start to feel hungry after smoking a THC vape pen

Reduces Nausea

Several patients in chemotherapy may experience symptoms of nausea during treatment. This is where THC shines. It helps in suppressing the urge to vomit, which chemotherapy may induce. It’s why cannabis use among cancer patients is common in 42.8% of chemotherapy treatments. (2)

Vaping THC may help you if you frequently feel nauseous, but it’s best to seek medical advice first before using it.

Increases Heart Rate

One disadvantage to inhaling THC vape pens is that you may feel your heart beat faster afterwards. This condition, known as tachycardia, could last for several hours.

Medical experts advise people with heart disease to avoid consuming marijuana products for this reason. A survey suggests that smoking marijuana may also increase the risk of stroke. (3)

If you have a heart condition yet would like to try using a THC vape, consult your healthcare provider. It’s essential to be aware of both the pros and cons of THC consumption on your heart health.

Tampers Focus

This is another downside of THC. The high it gives is often the culprit of lost mental focus after inhaling vapors. You might experience forgetfulness and become less alert.

The feelings could last up to 24 hours after vaping. For people who have started vaping in their teens, the mental effects may be more permanent.

Efficacy and Safety of THC Vapes

Using a THC vape is excellent if you’re looking for the compound’s immediate uplifting effects while being discreet. Some also consider vaping to be more potent. The portable devices contain concentrated extracts or ground dry herbs. Smoking marijuana often takes time and effort to do before you can receive the intended results. The duration of effects also varies.

However, no two vape brands are the same. It’s possible for one vape pen to have additional problematic chemicals besides THC. For example, 68 people died from lung damage in 2019 due to vitamin E acetate found in their e-cigarettes. Hence, it’s crucial that you purchase your THC vapes from known and reliable providers. (4)

Duration of THC Traces in Your Body

Concern over how long THC stays in the body is valid. You might need to undergo mandatory drug tests or drive somewhere. In many states, you may be charged when caught driving under the influence.

The liver processes and breaks down THC once it enters your body. If you smoke marijuana or use disposable vape pens often, THC builds up in tissues too fast. Your body might be unable to keep up to eliminate it, so the compound remains longer. It’s not unusual for traces of THC to linger for weeks or months, even long after you’ve used it.

How long THC remains in your body depends on a few factors:

  • The amount of THC you consumed
  • The method of consumption
  • The frequency of use
  • Your metabolism, body mass index (BMI), gender, genetics, and overall health

Besides your blood, urine, saliva, and feces, traces of THC can also be found in your hair. While THC lasts in the first four within a few days, hair can keep it from 30 to 90 days.

Wrapping Up

THC has several effects on the body. The cannabinoid may make you feel healthier and more relieved. But there are still risks, like faster heart rates and a foggy mind. THC traces also linger in your body for a few days.

If the instant and positive health effects outweigh the cons, a THC vape may be ideal for you. Talk to your doctor before you use them, especially for medical reasons. You must take the appropriate doses or use the right devices for the intended effects.

References

1. “Can cannabis help relieve pain?”, Source: https://www.health.harvard.edu/pain/can-cannabis-help-relieve-pain

2. “Cannabis Use Among Cancer Patients During Active Treatment: Findings From a Study at an NCI‐Designated Cancer Center,” Source: https://pmc.ncbi.nlm.nih.gov/articles/PMC11530714/

3. “How does marijuana affect the heart?” Source: https://www.health.harvard.edu/heart-health/how-does-marijuana-affect-the-heart

4. “Vaping weed is very popular, but users should be aware it carries risks,” Source: https://www.npr.org/2025/02/03/nx-s1-5246302/vape-marijuana-weed-pesticides-chemicals