I am on the Gut-Brain/Metabolic/Stress Train again this week.
Why? Because here is some relatively new research available that helps us connect the dots and provides a fresh perspective. It helps us understand why we crave sweets or foods that the body perceives as sweet when we are under stress. We also look at the importance of hunger signals and food cravings.
We also now understand through new research and the results that Ultra Processed foods have a unified taste and it does not match up with human biology and therefore does not signal the brain that we are full and therefore we tend to overeat these foods.
Then there is the GLP-1 a hormone that is produced in the intestine that blocks glucagon secretion: Glucagon is a hormone your body uses to raise your blood sugar levels when necessary. So, GLP-1 prevents more glucose from going into your bloodstream. Slowing stomach emptying: Slower digestion means that your body releases less glucose (sugar) from the food you eat into your bloodstream.
Fasten your seat belts … this is a longer Geeky Post!!
Here are five things Jefferey Bland the Father of Functional Medicinewants you to know about GLP-1 that you probably haven’t heard about.
We all know that the last four years has triggered a lot of mental and emotional stress for all of us. If the body stays in a state of stress and it becomes chronic, it is very inflammatory to the body and the brain.
We know that chronic stress can cause a cascade of symptoms in the body and brain. Things like hormone dysregulation, gut problems, skin issues, body pain, swelling and much more. The other thing that chronic stress does, is it depletes brain function and causes mood challenges.
We have known for a while that there is this GUT – BRAIN axis and that the Vagus nerve is an integral part in the connection. The Vagus nerve does other things too, however its most important function is calming the nervous system ” Rest” and preparing the body to “Digest”.
We are familiar with replacing fuel when we stress our bodies physically. We are not however as tuned into how our mental emotional stress affects us. If our brain has been on fire for too long and it has used a lot of its preferred source of fuel (glucose) we feel a dip in concentration and a dip in blood glucose. We might feel tired, have vision changes, we are moody, or shaky, or foggy, anxious and we lose the ability to concentrate. When that happens we look for something sweet or savory/salty like chips. We want something that breaks down to sugar quickly or has hidden sugars in them. These foods also trigger Dopamine our pleasure center and possibly GABA our calming hormone.
That is where this new research out of Duke University gets interesting:
There are cells that line the stomach that are called Neuropods and they detect sweet, sugar and hidden sugars in foods as well as foods that break down quickly to sugar.
These Neuropods have a direct path to the brain, but they also recognize when you try to bio hack your sweet tooth by using artificial sugars.
So you can now see the connection and how patterns of addiction to sweet foods and drinks can be triggered by the GUT-BRAIN axis and Dopamine our pleasure center and not by the taste receptors in the mouth.
“Not long after the sweet taste receptor was identified in the mouths of mice 20 years ago, scientists attempted to bio hack those taste buds . But they were surprised to find that mice could still somehow discern and prefer natural sugar to artificial sweetener, even without a sense of taste.
The answer to this riddle lies much further down in the digestive tract, at the upper end of the gut just after the stomach in the intestine.
In a paper appearing Jan. 13 in Nature Neuroscience, “we’ve identified the cells (Neuropod) that make us eat sugar, and they are in the gut,” Bohórquez said. For More info click here
We talked about a lot about how to blunt cravings and improve metabolic in previous newsletters. Here is the link in case you missed it
Last but not least if you love science and want to learn more on Food Cravings, GLP-1 and how Neuropods work, then I highly recommend Huberman Lab Podcast episode “Sugar and the Brain” and “Control your Hunger”
As always if you are looking for support with your metabolic health and want to take proactive measures to ensure wellbeing for the future, then I have started a wait list for Mid August.
Text or Email me : 214 8696404
Happy Summer –
Dr Pia