Cannabis-like chemicals made by the human body create the ‘runner’s high’

The ‘runner’s high’ – that feeling of euphoria and reduced anxiety that you get after exercise – is not directly caused by endorphins, according to new research from the University Medical Center Hamburg-Eppendorf.

Instead, it’s caused by endocannabinoids, molecules naturally produced by the body, which act similarly to cannabis. The researchers found this by measuring different chemical compounds while participants walked and ran on a treadmill.

Even when participants had their opioid receptors blocked, meaning that endorphins could not have any impact on their brains, they still experienced that same runner’s high.

The study shows that these cannabinoid molecules can have a big impact on anxiety and mood, even when our bodies make them naturally.

New research sheds light on the science behind your runner's high, and scientists a hint as to why marijuana and exercise can both relieve stress and generally make us feel good

New research sheds light on the science behind your runner's high, and scientists a hint as to why marijuana and exercise can both relieve stress and generally make us feel good

New research sheds light on the science behind your runner’s high, and scientists a hint as to why marijuana and exercise can both relieve stress and generally make us feel good 

Runners who were given an endorphin blocker (naltrexone) still experienced a runner's high in the form of increased euphoria and decreased anxiety. Researchers behind this study say that a different type of molecule, endocannabinoids, is actually the driver of that natural high.

Runners who were given an endorphin blocker (naltrexone) still experienced a runner's high in the form of increased euphoria and decreased anxiety. Researchers behind this study say that a different type of molecule, endocannabinoids, is actually the driver of that natural high.

Runners who were given an endorphin blocker (naltrexone) still experienced a runner’s high in the form of increased euphoria and decreased anxiety. Researchers behind this study say that a different type of molecule, endocannabinoids, is actually the driver of that natural high.

Working out is lauded as a way to feel good and relieve stress, a phenomenon commonly called the ‘runner’s high.’

It’s usually described as euphoria – a sense of extreme joy or delight- paired with reduced anxiety and lower sensitivity to pain.

In other words, if you strain a muscle halfway through your run, the high might keep you from feeling it.

Past research has tied this high to endorphins, also known as the ‘feel-good chemicals’ because they stop the body from feeling pain. Endorphins are a type of opioid, molecules that behave similarly to oxycontin or morphine.

In recent years, though, scientists have found that another type of naturally-occurring molecule also plays a major role. That’s the endocannabinoids, or eCBs.

The similar name isn’t just a coincidence. eCBs act similarly to regular cannabinoids- molecules found in cannabis. They can cause euphoria and reduce anxiety, but also regulate the body in other ways that scientists are still working to understand.

New research from scientists at the University Medical Center Hamburg-Eppendorf and Medical Center of the Johannes Gutenberg University, published in the journal Psychoneuroendocrinology last month, takes a big step in understanding how these chemicals work. 

WHAT ARE ENDOCANNABINOIDS?

The human body is equipped with a whole endocannabinoid system. 

It is comprised of three main component parts: 

  • Cannabinoid receptors: These are like keyholes on the surfaces of our cells, that are activated when the right chemical clicks into place. They are scattered throughout the bodies of humans and all other vertebrate animals. 
  • Endocannabinoids: These are the keys. These small molecules bind to the cannabinoid receptors on the surfaces of cells and turn them ‘on’ 
  • Metabolic enzymes: These are like the Drain-O of the system, breaking down endocannabinoids after they’ve been used 

Scientists are still learning all the functions of the endocannabinoid system, but we know that it plays a critical role in monitoring the body for changes and maintaining homeostasis, a kind of cellular balance that keeps everything functioning in sync.

THC, the psychoactive component of marijuana also acts some of these receptors. 

But the body makes its own natural cannabinoids too, and they appear to share some of the soothing properties reported by marijuana users  

<!—->
Advertisement

This new study follows up on past research that the German researchers did in mice. In that past study, anxiety reduction that mice experienced after exercise was tied to eCBs, not endorphins.

The researchers point out that eCBs can easily pass from the bloodstream into the brain due to their molecular structure, making it easier for them to influence the brain during exercise.

Endorphins, on the other hand, have a different structure and can’t cross so easily.

To replicate their mouse study, the researchers recruited 63 people who regularly go running or do other endurance exercise.

Half of those participants were given naltrexone, a drug that blocks opioid receptors- meaning that endorphins wouldn’t be able to impact their brain as they exercised.

The neurochemical activity for each person in the study was measured twice: once while running and once while walking. All tests took place on a treadmill, so that the researchers could ensure everyone exercised at the same pace.

The researchers measured the chemical composition of each runner’s blood before and after they exercised.

They also asked participants to log how they were feeling, using standardized scales to assess anxiety levels.

And, in one less-standardized measurement, researchers asked each runner if they had experienced what they’d describe as a runner’s high.

Most of the participants said they hadn’t experienced that high- only 7 people from the opioid blocker group and 5 from the placebo group said they did.

But the runners’ eCB measurements and anxiety levels told another story.

After running, the participants showed increased euphoria and decreased anxiety, those standard indicators of a runner’s high. There was no significant difference between the opioid blocker group and the placebo group, meaning that endorphins had no impact.

Instead, the researchers found higher levels of eCBs. Just like in the mice from their previous study, these runners were naturally getting high as they exercised. 

This study is still preliminary, though. It’s hard to scientifically prove that eCBs are causing the runner’s high when you can’t see what happens when eCBs aren’t able to impact the brain.

Unfortunately, the one drug these researchers have previously used to block eCB receptors is now no longer on the market, so it is necessary to study with a proxy for now.

It’s also hard to simulate the runner’s high in a lab setting. Measuring runners out on the trails or in an actual race might show more evidence of those neurological impacts, even if it’s harder to standardize the study that way.

Still, this research provides a pretty solid argument that endocannabinoids, not endorphins, are getting us high while we run.

In a tweet sharing the study, psychiatrist and drug researcher Dr. Julie Holland said, ‘I told ya! Runner’s high is due to endocannabinoid system, not opiate/endorphin.’

Holland has written a book about the role of cannabis in medicine, and advocates for its use in mental health treatment.

If a simple 30-minute run is enough to show a tangible impact on someone’s mood and mental health, a good case may be made for further study of eCBs in order to better understand how these molecules work and what they’re capable of.

Link hienalouca.com

Advertising:

Tips to Find Low Priced Luxury Holiday Package Deals Fast

For most families, it has already been a common practice to spend the Holiday season in a foreign location. This is caused by the aviation market changes which have given a lot of benefits for people who travel a lot. Airfares going to different tourist destinations are becoming more inexpensive. What does this mean? If there is a perfect time to purchase luxury holiday package deals, now it the right time! Based on the market trend nowadays, you can save both money and time when you go for a luxury holiday. There are countless offers that combine travel and accommodation in one package which is a lot cheaper than getting separate deals. Aside from that, it is also risky to individually book the services that you need for the vacation. You might end up missing out on some important details of the trip. Unlike when you take advantage of luxury holiday package deals, you can be sure that everything is organized meticulously and according to what you really need. Nonetheless, you would still need to carefully select the package that would fit your needs. Review the following tips in getting packages that are reasonably priced. · Normally, luxury tour packages include accommodation, flight travel and transportation to individual tourist destinations. It would be best to choose the complete package so you won’t have to worry about other vacation elements. In addition to that, these are the packages that have the biggest discounts. · You can get big mark down prices, if you will purchase more packages. It is not a bad idea to share the wonderful moment with your loved ones. By doing so, you would not only enjoy, you will also save more money. You can even use your savings for other activities on your vacation. · It would be best to know how much you are willing to pay for the luxury tour packages. You can already work around your budget. You have to stick to your budget. If not, you might end up spending a lot and you will be left with less money for your vacation. · Prices may vary depending on the destination of the tour. You can do a research about places that are attractive yet inexpensive. There are thousands of destinations and you just have to choose wisely. · There are packages that include recreational activities. This means that you are paying for all the activities when you purchase these packages. The right thing to do is to make sure that the activities that are included would be the ones that you really enjoy. There is no sense in paying for activities that will not really make your vacation memorable. If you are going with friends, you should also consider their preferences so that you can be sure that everyone will enjoy the trip. There are other ways on how you can be sure that you are getting the best deal for your luxury holiday vacation. No matter how you choose to do it, you have to get adequate information about the packages. This will help you determine whether it is worth the price.

(Total views: 2 Time, 1 visits per day)

Leave a Reply