Recently, brain fog is known to be one of the effects felt by people who have just experienced COVID-19. The presence of viruses in the body can reduce the brain’s ability to think, concentrate, and also reduce memory.

In fact, everyone can experience brain fog . This is because brain fog is a sign or symptom that can be felt when a person experiences health problems, both physically and mentally.

If you’re experiencing it, don’t worry! This is because in general, brain fog only occurs temporarily, as the cause decreases. Well, to find out more about brain fog , see the following review, reported by Healthline , Verywell Mind, and other sources.

1. What is brain fog?
Please note that brain fog is not a medical condition, but rather a term used to indicate a sense of unfocusedness that a person is experiencing. These include loss of concentration, difficulty expressing ideas, or difficulty understanding or remembering things.

According to a clinical psychologist, brain fog can further affect a person’s mental acuity. This also makes him feel that he is different from usual or feel like he is not himself.

2. The cause of someone experiencing brain fog
As mentioned earlier, the appearance of brain fog is an indication that someone is experiencing something. Here are some possible conditions that can cause brain fog :

Lack of sleep

According to researchers, the normal portion of sleep for adults is 8-9 hours of sleep per night. If it is less than that, the brain will easily feel tired and experience brain fog .

Stress and depression

People who experience stress tend to have a lot of thoughts on their heads. Almost the same as when lack of sleep, stress, depression, or other anxiety disorders can also make the brain tired quickly. This condition causes a person to more easily experience brain fog .

Hormonal changes

This condition is usually more common in women. Before menstruation, during pregnancy, or entering menopause, hormone levels, especially the hormones progesterone and estrogen, can increase or decrease significantly. These changes can affect some processes in the brain and cause brain fog .


Some of the content in the food we consume daily is beneficial for brain health. According to research results published in the National Library of Medicine , the content of vitamin B12 commonly found in food has a role in maintaining brain health. Conversely, if the body is deficient in B12, then a person will easily experience brain fog .

The same thing can be experienced by people who have food allergies. For that, the best way to prevent brain fog due to food is to avoid the causes of allergies, as well as adequate intake of vitamins.

Medical conditions

Brain fog is the most prominent impact in people with degenerative diseases such as dementia, because this condition does affect brain function. In addition, brain fog can also occur when we experience more common health problems, such as colds, migraines, anemia, dehydration, diabetes, and hypothyroidism.

Consumption of drugs

There are many types of medical drugs that can have side effects for people who take them. One of the impacts that may be felt is brain fog . In addition, the impact of other treatments such as chemotherapy for cancer treatment is also known to trigger brain fog .

3. Signs of brain fog
Brain fog is quite easy to recognize, because people who experience it will feel unusual changes in certain abilities related to focus and concentration. Here are some signs someone has brain fog:

It’s hard to come up with ideas or focus on what you’re working on
Feeling overwhelmed if you have to multitask
It’s hard to remember things
Following the conversation becomes more challenging
Not focused on the surrounding environment or difficult to mindfulness

4. Tips for overcoming brain fog
It is undeniable, brain fog can greatly interfere with productivity and social life, because the ability of the brain feels to be limited. For some people, finding out the cause of brain fog can help them focus more by avoiding these causes.

Here are some tips that can be done to help overcome brain fog :

Adequate sleep and rest
Stay active and try new things
Avoid multitasking , the results will be more optimal
Train focus and memory
Overcome stress by doing meditation
Exercise regularly
Increase consumption of protein, fruit, vegetables, and healthy fats, and avoid alcoholic beverages

5. Diagnosis
Although generally only temporary, sometimes brain fog can also be experienced for a long time. If you experience this, don’t hesitate to consult a doctor to find out the cause and a more accurate way of treatment.

As an illustration, a series of checks that may be carried out to find out the cause of brain fog can be in the form of questions about mental conditions, diet, daily physical activity, to the medication that is being undertaken. If needed, blood tests will also be done. This action is useful for identifying diseases that may be experienced.