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Lightheadedness is a common and typically unpleasant sensation of dizziness [1] or a feeling that one may faint. The sensation of lightheadedness can be short-lived, prolonged, or, rarely, recurring. In addition to dizziness, the individual may feel as though their head is weightless.
Dr. Shaikh emphasizes that it’s important to take feeling lightheaded seriously; it’s not normal to feel this way. “Take any new onset of symptoms of dizziness or lightheadedness seriously ...
Or perhaps you’re taking medications that affect blood flow to the brain. Not all bouts of dizziness are alike either. Some people feel like they’re going to faint or are about to fall ...
Episodes of vasovagal syncope are typically recurrent and usually occur when the predisposed person is exposed to a specific trigger. Before losing consciousness, the individual frequently experiences early signs or symptoms such as lightheadedness, nausea, the feeling of being extremely hot or cold (accompanied by sweating), ringing in the ears, an uncomfortable feeling in the heart, fuzzy ...
Dizziness is an imprecise term that can refer to a sense of disorientation in space, vertigo, or lightheadedness. [1] It can also refer to disequilibrium [2] or a non-specific feeling, such as giddiness or foolishness. [3] Dizziness is a common medical complaint, affecting 20–30% of persons. [4]
[25] [44] Common findings are changes in the brainstem and the use of additional brain areas for cognitive tasks. Other consistent findings, based on a smaller number of studies, are low metabolism in some areas, reduced serotonin transporters , and problems with neurovascular coupling .
As we age, our brain experiences both structural and functional changes. Over time, this can cause a decline in cognitive abilities, memory, and even emotional regulation. Certain lifestyle ...
[1] [2] Stimuli, like stress, improved memory when it was related to learning the subject. [3] During times of stress, the body reacts by secreting stress hormones into the bloodstream. Stress can cause acute and chronic changes in certain brain areas which can cause long-term damage. [4]