Have you ever walked into a room and forgotten why you’re there? Lost your train of thought halfway through a sentence? Struggled to find the right word, even though you know it’s right there?
Many women describe this as ‘brain fog’ - feeling less sharp, less focused, more forgetful, or simply not quite like themselves.
Your brain is a highly responsive organ, and many changes that happen during midlife can influence how clearly and efficiently it works.
A few areas we can look into together:
Oestrogen and your brain
One of the biggest changes during perimenopause and menopause is the fluctuation and decline of oestrogen.
Many people think of oestrogen as a reproductive hormone, but it also plays an important role in the brain. Oestrogen helps support communication between brain cells, influences neurotransmitters involved in mood and concentration, and helps regulate energy production within brain cells.
When oestrogen levels change, some women notice changes in memory, focus, mood and mental clarity.
This is not “just getting older” - it is your brain responding to changes in its environment.
Your brain needs the right building blocks
Your brain is one of the most energy-demanding organs in your body. Every thought, memory and moment of focus depends on a constant supply of energy and nutrients to support communication between brain cells.
One fascinating area of brain health during menopause is the relationship between oestrogen and phosphatidylcholine (PC).
Oestrogen helps regulate many processes involved in brain function, including energy production, communication between brain cells and the way the body manages important fats. As oestrogen levels decline during perimenopause and menopause, changes occur in the way the brain uses and maintains these essential building blocks.
Phosphatidylcholine is a key component of cell membranes including the membranes of brain cells. These membranes need to remain healthy and flexible to allow effective communication between cells.
PC also provides choline, which is used to make acetylcholine, a neurotransmitter involved in memory, learning, attention and focus.
This means that during a time when hormonal changes are placing new demands on the brain, supporting the nutrients involved in brain structure and communication becomes increasingly important.
Even with a healthy diet, the changing hormonal landscape of menopause can influence how efficiently the body uses these nutrients. This is one reason why some women notice changes in concentration, mental clarity and memory during this stage of life.
Understanding these connections can help explain why brain fog is not simply “getting older” it is a sign that your brain and body are adapting and may need targeted support.
Your brain’s protective barrier
Your brain has a remarkable defence system called the blood-brain barrier (BBB). This acts like a security system, carefully controlling what enters the brain.
However, factors such as chronic stress, inflammation, poor sleep, nutritional deficiencies and exposure to certain environmental toxins can affect the health and function of this protective barrier.
When the body is under ongoing stress, the brain may become more vulnerable to inflammation and oxidative stress both of which can contribute to feelings of mental fatigue and reduced clarity.
The good news: brain fog is often your body’s way of telling you that something needs attention.
The causes are usually not just one thing. It may be a combination of hormonal changes, nutrition, sleep, stress, gut health, lifestyle factors and your individual health history.
This is where a personalised approach can help.
Rather than simply accepting brain fog as “normal”, we can look at the bigger picture and explore what may be contributing to your symptoms.
Together, we can uncover the possible causes and create practical strategies to help you feel clearer, more focused and more like yourself again.
If you’re experiencing brain fog and want to understand what may be driving it, I’d love to help.
Book your consultation and let’s uncover what your body is trying to tell you. Drop me an email to arrange book consultation