Brain Fog: Causes, Symptoms, and How to Clear It
Brain Fog is one of those terms that hardly anyone knew a few years ago, yet it now appears everywhere: in articles about long COVID, stress, sleep problems, burnout, hormones and mental performance. The term usually refers to a state in which thinking, remembering and concentrating suddenly become more difficult than usual. At the same time, the market for so-called brain boosters, nootropics and products for mental performance is booming massively. But what exactly is behind brain fog — and why are so many people talking about it?
Today, we explore what is meant by brain fog, which causes are being discussed, why sleep deprivation, chronic stress and hormonal changes may play a role, and which alternative medicine approaches may offer supportive benefits.
What Is Actually Meant by “Brain Fog”?
The term brain fog is not currently regarded as an independent medical diagnosis. Rather, it is a collective term for various cognitive complaints.
Affected individuals often describe:
· concentration problems
· forgetfulness
· slowed thinking
· mental exhaustion
· word-finding difficulties
· mental overload
(Cleveland Clinic, 2024).
Brain fog became especially well known through long COVID. Many people reported persistent concentration and memory problems following COVID-19 infections. A meta-analysis of several studies describes cognitive complaints as common long-term neurological consequences after COVID-19 infections (Premraj et al., 2022).
However, brain fog is no longer discussed solely in connection with long COVID.
Researchers are investigating possible links with, among other things:
· sleep deprivation
· chronic stress
· hormonal changes
· psychological strain
· metabolic problems
· chronic inflammatory processes
(Khan et al., 2023).
Why Is Brain Fog Being Discussed So Intensively?
Mental exhaustion and concentration problems have increased in modern societies. Stress, sleep deficits and sensory overload have meanwhile become part of everyday life for many people.
What Role Do Sleep, Stress, and Hormones Play in Brain Fog?
Sleep plays a central role in:
o memory formation
o concentration
o attention
o mental regeneration.
A review article published in Nature and Science of Sleep describes that sleep disturbances may have short- and long-term effects on health, stress processing and cognitive performance (Medic et al., 2017). For precisely this reason, many people report complaints commonly described as brain fog during periods of high stress, sleep deprivation or chronic psychological strain.
Many women also report concentration problems, forgetfulness or mental exhaustion during hormonal changes such as premenstrual syndrome (PMS) or menopause (Aoki et al., 2022; Maki & Jaff, 2022).
However, men likewise experience concentration problems, mental exhaustion or subjectively perceived mental “slowing” (Cleveland Clinic, 2024).
How Can Alternative Medicine Help with Brain Fog?
Particularly in naturopathy and functional medicine, numerous approaches exist that may support concentration, mental performance and cognitive resilience:
o sleep optimisation
o stress reduction
o exercise
o anti-inflammatory nutrition.
Several substances are of particular interest here:
o Omega-3 fatty acids for brain function, protection of cell membranes and inflammation-related processes
o Magnesium for a healthy nervous system, especially in connection with stress and mental exhaustion
o Rhodiola rosea for stress resistance, mental resilience and cognitive performance
o Ginkgo biloba for concentration and memory performance
o Ashwagandha especially for stress regulation and sleep
(Gutierrez et al., 2021; Lopresti & Smith, 2021; Panossian & Wikman, 2010).
Conclusion: The Fog Can Be Cleared!
More and more people report concentration problems, mental exhaustion and the feeling of cognitive overload. Among the factors discussed are sleep deprivation, chronic stress, and hormonal changes.
For this reason, the described naturopathic approaches are increasingly attracting attention. Sleep optimisation, exercise, stress reduction, anti-inflammatory nutrition as well as certain medicinal plants and adaptogens may help clear the mental fog.
FAQ — Frequently Asked Questions About Brain Fog
1. Is brain fog a newly discovered phenomenon?
No. Concentration problems, mental exhaustion, forgetfulness or mental “slowing” were described long before the term brain fog existed. Depending on the context, people previously referred more commonly to:
· nervous exhaustion
· mental overload
· concentration weakness
· stress symptoms
· burnout-like complaints.
In medicine, similar complaints have long been described in connection with sleep deprivation, depression, hormonal changes, chronic stress or infectious diseases. What is new is the term “brain fog” itself — and the enormous public attention surrounding it. Particularly through long COVID, social media, biohacking, longevity and the booming market for mental performance, the expression has become significantly more popular worldwide in recent years.
2. Is brain fog dangerous?
Brain fog itself is not currently regarded as an independent dangerous disease. However, concentration problems, mental exhaustion or mental “slowing” may have many different underlying causes — including sleep deprivation, chronic stress, hormonal changes, or other health burdens. Persistent or suddenly occurring symptoms should therefore be taken seriously and medically evaluated if necessary.
3. Can young and seemingly healthy people also experience brain fog?
Yes, concentration problems and mental exhaustion are (naturally) not observed only in older individuals.
4. Can brain fog be triggered or worsened by certain dietary patterns?
Yes. Strong blood sugar fluctuations, nutrient deficiencies, highly processed foods and pro-inflammatory dietary patterns are among the factors being discussed.
Further information — including on many other topics — can be found not only on our blog, but also in our “Medizinskandale” book series and the “Codex Humanus”, the fifth volume of which has recently been published. Feel free to visit our online shop.
Sources:
· Cleveland Clinic (14.05.2024): “Brain Fog: What It Is, Causes, Symptoms & Treatment.”
· Premraj, L. et al. (2022): “Mid and long-term neurological and neuropsychiatric manifestations of post-COVID-19 syndrome: A meta-analysis,” Journal of the Neurological Sciences.
· Khan, S. A. et al. (2023): “Long COVID syndrome: psychological and sexual dysfunction among survivors of COVID-19 infection,” Annals of Medicine and Surgery.
· Medic, G. et al. (2017): “Short- and long-term health consequences of sleep disruption,” Nature and Science of Sleep.
· Aoki, M. et al. (2022): “Cognitive function evaluation in premenstrual syndrome during the follicular and luteal phases using near-infrared spectroscopy,” Comprehensive Psychoneuroendocrinology.
· Maki, P. M. & Jaff, N. G. (2022): “Brain fog in menopause: a health-care professional’s guide for decision-making and counseling on cognition,” Climacteric.
· Gutierrez, L. et al. (2021): “Effects of Nutrition on Cognitive Function in Adults with or without Cognitive Impairment: A Systematic Review of Randomized Controlled Clinical Trials,” Nutrients.
· Lopresti, A. L. & Smith, S. J. (2021): “Ashwagandha (Withania somnifera) for the treatment and enhancement of mental and physical conditions: A systematic review of human trials,” Journal of Herbal Medicine.
· Panossian, A. & Wikman, G. (2010): “Effects of Adaptogens on the Central Nervous System and the Molecular Mechanisms Associated with Their Stress-Protective Activity,” Pharmaceuticals.