Because not everything that matters is felt
We're used to relying on what we feel. But the body doesn't work on the basis of perception alone and understanding this difference can change the way we look after our health.
Conceptual introduction
We're used to trusting what we feel. If it hurts, it's there. If it bothers us, we pay attention. If it improves quickly, we value it. But the body doesn't work on the basis of perception alone.
Many of the most important health processes don't generate clear signals. And they often only become evident when they have been going on for a long time.
The idea that “feeling” is synonymous with “happening” can be useful in everyday life. But biologically, it's incomplete.
Perception is not the same as biological reality
The body has specific systems for signalling immediate danger. Pain, intense fatigue, fever or discomfort are ways of drawing attention to something that needs a quick response.
But these systems are not designed to monitor everything. Much of biological activity takes place outside the realm of conscious perception.
For example:
- hormonal regulation
- the functioning of the immune system
- cellular energy production
- redress mechanisms
These processes are continuous and, more often than not, silent.
→the fact that there is no sensation doesn't mean that nothing is happening
→only means that there is no warning sign
The role of the brain in interpreting the body
Perception doesn't just depend on what happens in the body. It also depends on how the brain interprets that information.
The brain works on the basis of:
- sensory signals
- context
- previous experience
- expectations
Not all biological signals reach consciousness. And not all those that do are interpreted objectively. This is particularly evident in phenomena such as
- placebo effect (feeling improvement without direct change of mechanism)
- nocebo effect (feeling worse based on negative expectations)
These examples show that perception is a construct. It is therefore not a reliable indicator of everything that is happening in the body.
Important processes that are rarely felt
There are several fundamental functions that take place without obvious signs. These include
01Metabolic regulation
The control of glucose, insulin and energy use occurs continuously, without direct sensation.
02Basal immune response
The immune system is constantly active, even without visible infections.
03Cell repair
The body repairs damaged structures on a daily basis, without any conscious realisation.
04Adapting to the environment
Exposure to stress, exercise or irregular sleep generates adaptations that are not immediately felt.
These processes don't need to be perceived to be relevant. In fact, it's normal for them not to be felt.
The mistake of relying solely on sensation
When the decision depends solely on how you feel, two common mistakes arise:
01Ignoring relevant processes
If there is no discomfort, it is assumed that everything is fine.
02Valuing only immediate effects
You're looking for what you feel quickly, what produces an obvious response.
This favours acute stimuli (such as caffeine or sugar), but not necessarily processes that contribute to long-term balance.
→what is felt gains importance
→what is structural takes a back seat
Because biology doesn't need to “show results”
The body functions on the basis of stability and many of the processes that keep the body functional:
- are gradual
- are continuous
- they don't have a clear “before and after” moment”
This can create the feeling that “nothing is happening”. But in reality, the body is constantly adjusting. And these small adaptations, accumulated over time, are often more relevant than rapid, visible changes.
What some people feel (and why it varies)
Although many processes are silent, some people report changes such as:
- more stable energy
- better recovery
- reduced skin reactivity
- less joint discomfort
But this doesn't happen universally. It depends on:
- individual starting point
- metabolic context
- consistency over time
- sensitivity to perception
→feeling can happen
→not feeling it is also normal
And none of these situations invalidate the process.
Clear overview
Key points
- Perception is just one part of biological experience
- Many important processes don't generate conscious sensation
- The brain interprets signals, it doesn't directly reflect reality
- Depending only on what you feel can distort decisions
- The absence of sensation does not mean the absence of process
- Biology works mainly continuously and silently
If you want to learn more about how these processes relate to cell protection over time, you can consult the guide:
How to protect cells in the long term →Scientific references
- Craig AD. How do you feel? Interoception: the sense of the physiological condition of the body. Nature Reviews Neuroscience. 2002;3(8):655–666. doi:10.1038/nrn894
- Barrett LF, Simmons WK. Interoceptive predictions in the brain. Nature Reviews Neuroscience. 2015;16(7):419–429. doi:10.1038/nrn3950
- Benedetti F. Placebo Effects: Understanding the mechanisms in health and disease. Oxford University Press. 2008.
- Sterling P. Allostasis: a model of predictive regulation. Physiology & Behaviour. 2012;106(1):5–15. doi:10.1016/j.physbeh.2011.06.004