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Heavy-headedness is the feeling of faintness, dizziness, or feeling of floating, wooziness. [1] [2] [3] Individuals may feel as though their head is heavy; also feel as though the room is moving/spinning also known as vertigo. Some causes of heavy-headedness can be tough to get rid of and can last a long period of time, however most can be treated.
Or you may have balance issues. 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 ...
Studies have shown that inhaling CO2 can cause fear in people who do not have any prior history of panic attacks. [38] This information has allowed scientists to suggest that panic attacks could be caused by our brain's inability to stop alarm signals that make us feel like we're suffocating.
Panic disorder is a mental and behavioral disorder, [5] specifically an anxiety disorder characterized by reoccurring unexpected panic attacks. [1] Panic attacks are sudden periods of intense fear that may include palpitations, sweating, shaking, shortness of breath, numbness, or a feeling that something terrible is going to happen.
Dizziness is broken down into four main subtypes: vertigo (~25–50%), disequilibrium (less than ~15%), presyncope (less than ~15%), and nonspecific dizziness (~10%). [5] Vertigo is the sensation of spinning or having one's surroundings spin about them. Many people find vertigo very disturbing and often report associated nausea and vomiting. [6]
What you may be dealing with is brain fog. What brain fog feels like can vary from person to person. But overall, it’s a general sense that your brain isn’t working as it should. You may have ...
Feeling some dizziness? Experts say vertigo is serious and can be a sign of COVID-19. Here’s what to know about the symptom and when to see a doctor.
Norepinephrine is a huge player in fear memory formation. Recent studies have demonstrated that the blockade of norepinephrine β-adrenergic receptors (β-ARs) in the lateral nucleus of the amygdala interferes with the acquisition of fear learning when given pretraining stimuli but has no effect when applied posttraining or before memory retrieval.