Proteins play important roles in the human body, particularly neuroproteins that maintain proper brain function. Brain diseases such as ALS, Alzheimer's, and Parkinson's are known as "tangle diseases" because they are characterized by misfolded and tangled proteins which accumulate in the brain. A team of Australian and American scientists discovered that an unusual amino acid called BMAA can be inserted into neuroproteins, causing them to misfold and aggregate. BMAA is produced by cyanobacteria, photosynthetic bacteria that form scums or mats in polluted lakes or estuaries...
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