title: Biochemistry of the human brain in old age and dementia.
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D000375:Aging / Q000378:metabolism* / Q000473:pathology; D001921:Brain / Q000378:metabolism* / Q000473:pathology; D003704:Dementia / Q000378:metabolism* / Q000473:pathology; D006801:Humans; D018377:Neurotransmitter Agents / Q000378:metabolism
chemical_list: D018377:Neurotransmitter Agents