Disease, Condition & Injury
Health Library disease & condition fact sheets provide comprehensive, yet concise evidence-based information on a variety of health conditions, diseases and injuries.
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Hydrocephalus
(Water on the Brain) Hydrocephalus – Definition Hydrocephalus is too much fluid in the brain. The fluid is called cerebrospinal…
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Huntington’s Disease
(Huntington Chorea; HD) Huntington’s disease – Definition Huntington’s disease (HD) is an inherited disorder that affects the brain. HD causes…
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Tension Headache
(Muscle Contraction Headache; Tension-Type Headache) Tension headache – Definition Tension headache refers to head pain associated with stress and muscle…
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Sinus Headache
Sinus headache – Definition Sinus headache refers to head and facial pain associated with inflammation of the sinuses (called sinusitis).…
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Migraine
Migraine – Definition Migraine is a type of recurring headache. It involves nerves and brain chemicals. Other sensations (eg, auras)…
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