A head injury occurs when some trauma rocks the skull violently enough that the brain tissue inside hits the inside of the skull, twists, or is other wised shaken violently. With some serious or repeated brain trauma, dementia can result. Symptoms include memory loss, problems thinking clearly, insomnia, and many others.
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Dementia is the loss of reasoning, memory, and other mental abilities. Dementia may be caused by irreversible causes such as Alzheimer's disease, Parkinson's dementia, lewy body dementia, and vascular dementia. There are also treatable causes of dementia such as infections, head injury, normal hydrocephalus, and metabolic and hormonal disorders. Early symptoms of dementia include:
- Forgetting appointments and names, and loosing things
- Difficulties performing familiar tasks (driving, cooking, household chores)
- Personality changes
- Mood swings
- Paranoia and suspiciousness
A variety of tests (blood tests, scans, assessment of family history) may be used to diagnose dementia. Treatment may include medication and behavioral therapy.
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