It is an abnormality in the regulation of the overall level of consciousness that is mild and less severe than a delirium . There's not a lot of scientific evidence to explain what's going on when the clouds roll in. Researchers haven't really found a way to measure or test for brain fog like they have dementia.

Hi Dr Dennis, brain fog also called brain fatigue is a condition where there is mild to severe mental confusion that strikes human brain without any warning. That time patient can not focus with poor mental recall and inability to concentrate. It can occur because of the following factors

Stress

Sleep deprivation

Hormonal changes in pregnancy and menopause

VitB12defficency

Drugs... Chemobrain

Systemic diseases like

Anaemia

Hypothyroidism

Chronic fatigue syndrome

Sjogren, S syndrome

Thanks

Brain fog is a set of symptoms related to decreased cognitive abilities, slow thinking, difficulty in focusing, lack of concentration, confusion, poor memory recall, or a haziness in thought process. Brain fog can negatively affect one's professional and personal life.

The common causes of brain fog includes poor sleep, extreme stress, hormonal changes, medications, medical conditions and poor diet. Brain fog may also occur due to diseases like multiple sclerosis, Sjogren syndrome, Alzheimer's disease, depression, migraine, anaemia, hepatitis, cancer, diabetes and arthritis .

Dear Dr. Arvind Singh, thank you for the provided links.

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