title: Environmental hypothesis for brain diseases strengthened by new data.
mesh_terms: D000599:Amino Acids, Diamino / Q000633:toxicity*; D000818:Animals; D001480:Basal Ganglia Diseases / Q000139:chemically induced*; D000087522:Cyanobacteria Toxins; D004781:Environmental Exposure; D006141:Guam; D006801:Humans; D009046:Motor Neurons; D009468:Neuromuscular Diseases / Q000139:chemically induced*; D009498:Neurotoxins / Q000633:toxicity*
chemical_list: D000599:Amino Acids, Diamino; D000087522:Cyanobacteria Toxins; D009498:Neurotoxins; C001824:beta-N-methylamino-L-alanine