When was the last time you were hungry?
That rumbling feeling in your stomach followed by a slight discomfort if you don't eat straight away. Those are the signals that we should be feeling before we eat.
However in modern times we eat to a schedule. We have forgotten to eat based on when we are hungry or need food. We like to call it intuitive eating and I explored this way back in episode 91.
Are we becoming resistant to our fullness indicators.?
I've had several conversations of late with friends about feeling full, or their inability to feel full. They explain it like not having an off switch and that they can just keep on eating. And then I did some training and reading around leptin resistance.
Leptin is the hormone that signals to your brain that you feel full. We have many hormones in our bodies and they all act as messengers, leptin is created in our fat cells and its supposed to tell your brain that you either have enough fat cells you don't need to eat and you can burn calories at your normal rate. It's part of our innate survival hormones and is supposed to stop you starving or overeating - neither of which would have been helpful in early evolution.
The brain responds to leptin by either encouraging you to eat more or less dependent on how much body fat you have stored.
Larger amounts of stored fat leads to higher levels of leptin.
As leptin is produced in our fat cells the more body fat you have the more leptin you produce.
In modern society we have been ignoring our signals and eating foods when we are not hungry, not only that but the food industry has created foods that seem to allow us to override those signals by having that perfect balance of sweet/salty/fatty foods. Again this is part of our survival mechanisms. But food has evolved quicker than man.
What is leptin resistance?
If our bodies natural homeostasis (balance) is working leptin will naturally control our body weight. However I refer back to my first question, when was the last time you felt hungry?
We are simply not listening to our bodies, and as the stored fat increases so does leptin. Just like insulin resistance leading to Type2 Diabetes it is now believed that leptin resistance could be driving higher body weights and some peoples inability to lose weight.
For the full episode notes please go to: hillstart.me.uk/162
To listen to the full episode head on over to your chosen podcast provider or follow this link here for itunes:
https://podcasts.apple.com/us/podcast/are-you-really-going-to-eat-that/id1480678239