Question: what are the symptoms and causes of migraine?
Answer: Hormonal changes in women. Fluctuations in estrogen, such as before or during menstrual periods, pregnancy and menopause, seem to trigger headaches in many women. ... 
Drinks. ... 
Stress. ... 
Sensory stimuli. ... 
Sleep changes. ... 
Physical factors. ... 
Weather changes. ... 
Medications.