Dizziness: Why the World "Spins" and When It's Not Just Fatigue
Dizziness is not a single symptom but several different conditions with different mechanisms. We explain how vertigo differs from weakness and when it's time to see a doctor.
Neurology
Neurology deals with the nervous system and the brain: dizziness, migraine, stroke, numbness in the hands and feet, and memory changes with age. We explain how these conditions show up, how they are diagnosed and which signs need urgent help. The content is for reference and does not replace a doctor's examination.
Symptoms
Stroke: How to Recognize It with the FAST Test and Why You Can't Wait
A stroke is an acute disruption of cerebral blood circulation. We explain the mechanism, the FAST test, and the signs that must not be ignored.
Forgetfulness After 60: Aging or Dementia
Forgetfulness comes in different forms: some such episodes are among the early signs that warrant a doctor's visit. We explain how to distinguish age-related changes from disease and what the doctor checks.
Numbness in the Hands and Feet: From "Falling Asleep" to a Nervous System Signal
Tingling, "pins and needles", numb fingers: when is this a minor everyday thing, and when is it a reason to find out what is happening with the nerves.
Conditions
Migraine: How It Differs from a 'Simple Headache'
Migraine is a neurological disorder with distinct phases, triggers, and consequences. We explain how to distinguish it from tension headache and when it's time to see a doctor.