Migraine headache without aura has at least 5 attacks of any 2 symptoms of unilateral headache that is throbbing or pulsating in nature, moderate to severe in pain and activity aggravates pain. It is accompanied with either nausea and vomiting or photophobia &/or phonophobia. The symptoms last for 4-72 hours without signs of secondary headache.
Migraine headache with aura has at least 2 attacks with any of the fully reversible symptoms of flickering lights, spots or lines &/or vision loss, sensory symptoms
of pins & needles &/or numbness and dysphasic speech disturbance but without motor weakness. Accompanied by at least 2 of the following symptoms of homonymous visual symptoms &/or unilateral sensory symptoms or at least 1 aura symptoms develop gradually over ≥5 minutes &/or different aura symptoms that occur in succession over ≥5 minutes.
Early detection, intervention and adoption of a healthy lifestyle are the key to ending dementia, according to Professor Vincent Mok of the Division of Neurology, Faculty of Medicine, Chinese University of Hong Kong.