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What are some causes of dizziness and brain fog?

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Quick Answer

Causes of dizziness and brain fog include lack of sleep, unhealthy diet habits, stress, lack of exercise and drug side effects, states Be Brain Fit. These symptoms can usually be treated by living a healthy lifestyle and avoiding strenuous mental activities.

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Full Answer

Lack of sleep causes brain fog and dizziness because the brain needs sleep to function, and lack of sleep affects a person's attention span as well as ability to think and make decisions. When a person sleeps, brain cells are replenished, and brain fog is a signal that a person needs more quality sleep. A poor diet is not healthy for a person's brain because processed food contains low nutrients and often excessive sodium and sugar. In addition, drinking carbonated and caffeinated beverages instead of water impairs the body's ability to remove toxins from the body and can lead to brain fog and dizziness, notes Dr. Lawrence Wilson.

Stress is another cause of brain fog and dizziness because excessive stress often results in anxiety, insomnia and impaired judgment. People who are constantly under a lot of stress may medicate in order to help alleviate the mental duress. Lack of exercise also causes these symptoms. Exercise is one of the most important things people can do to promote brain health. Drugs such as alcohol, antidepressants, nicotine and analgesics can also cause brain fog and dizziness because these drugs affect a person's nervous system, according to the Physicians' Desk Reference.

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