As I discussed previously, under-eating causes a down regulation of T3, the active thyroid hormone.This can lead to a condition called , where T3 is low, reverse T3 is high, and TSH and T4 are often normal.Since the brain requires blood sugar to function optimally, when it starts to drop, one of the first cognitive processes that suffers is self-control.
The most obvious is that feces is made up of waste matter from the digestion of food, so if you’re not getting enough food, your stool won’t have much bulk to it.
The less obvious, but more likely reason that under-eating can lead to constipation is due to the effects of undernutrition on thyroid hormone.
Could an inadequate calorie intake be the root cause of your health problems?
Find out how to recognize the signs of under-eating.
Cheap, low quality food surrounds us, and there’s not enough time in the world to exercise away all the excess calories that exist in our food supply. While most people would find it hard to believe that many of the health problems people experience when going Paleo is from a lack of calories and appropriate macronutrients, I’ve seen it in my Could something as simple as under-eating be causing your health problems?
Could inadequate food intake be the reason why your Paleo diet suddenly isn’t working for you anymore?
Your body does not like major, drastic changes, and it will make modifications to your thyroid, adrenal, and sex hormones in order to reduce your overall caloric output.
These hormonal changes can lead to stalled weight loss and body fat retention, along with many other negative health effects that go beyond weight loss resistance.
We’ve been trained to believe that the body is a machine and we can input and output our calories in a way that will cause weight loss, so it’s understandable why these clients would expect to see weight loss from a significant caloric deficit like that.