Health Library
Brain & Nerves
Stroke recognition, sudden weakness, memory change and tremor explained in plain language, with time-sensitive symptoms placed first.
Guides
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Read what is relevant now. If a red flag is present, seek medical care rather than continuing to self-diagnose online.
Stroke and TIA: Think F.A.S.T. and Do Not Wait
Sudden face weakness, arm weakness or speech difficulty can be stroke. In Singapore, call 995 immediately even if symptoms improve.
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Sudden Weakness or Numbness: When It Is a Neurological Emergency
Numbness can come from posture or a trapped nerve, but sudden one-sided weakness or numbness can be stroke. Learn the difference in urgency.
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Memory Changes: What Is Normal Forgetfulness and What Deserves Review?
Occasional forgetfulness is common, but progressive memory or functional change deserves assessment. Learn what family members can observe.
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Tremor or Shaking: When to Get It Checked
Tremor can be related to caffeine, medicines, anxiety or neurological conditions. Learn what pattern to describe and which accompanying symptoms matter.
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Vertigo and Dizziness: When Balance Symptoms Need Medical Review
Vertigo can arise from inner-ear problems, medicines, migraine or neurological causes. Learn what details help distinguish patterns and when not to wait.
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A First Seizure: What Bystanders Should Do and Why Assessment Matters
A first seizure needs medical assessment even if the person seems well afterwards. Learn basic first aid and what not to put in the mouth.
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Peripheral Neuropathy: Numbness, Burning Feet and Why the Cause Matters
Persistent numbness or burning in the feet or hands can have many causes including diabetes, vitamin problems, medicines and nerve disorders.
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