Hypertension and headache.
D002574:Cervical Vertebrae; D005128:Eye Diseases / Q000150:complications*; D005260:Female; D005625:Frontal Lobe; D006261:Headache / Q000209:etiology*; D006801:Humans; D006973:Hypertension / Q000150:complications*; D008297:Male; D009778:Occipital Lobe; D012160:Retina; D013122:Spinal Diseases / Q000150:complications*