title: Headache associated with metabolic and systemic disorders.
mesh_terms: D001167:Arteritis / Q000150:complications; D002245:Carbon Dioxide / Q000097:blood; D004700:Endocrine System Diseases / Q000150:complications; D005502:Food / Q000009:adverse effects; D006261:Headache / Q000139:chemically induced / Q000209:etiology*; D006801:Humans; D006973:Hypertension / Q000150:complications; D007239:Infections / Q000150:complications; D008659:Metabolic Diseases / Q000150:complications*; D009119:Muscle Contraction; D010100:Oxygen / Q000097:blood; D005082:Physical Exertion
chemical_list: D002245:Carbon Dioxide; D010100:Oxygen