1. Genesis of BMAA hypothesis BMAA biomagnification in Guam Fruit bats highly desirable Access to guns during WW2 100X increase in neurodegenerative diseases among native Chamorros and associates Decline and extinction of bats on Guam Decline of neurodegenerative diseases

2. Symbiotic association between cycad roots & Nostoc

3. Flying foxes eat fleshy seed sarcotesta of cycad seeds © Merlin Tuttle

7. SampleSpeciesScientific Name Average total BMAA (  g/g) H-0541-TXbottlenose dolphinTursiops truncatus474 H-0630-TXbottlenose dolphinTursiops truncatus335 H-0636-TXbottlenose dolphinTursiops truncatus675 H-0717-TXbottlenose dolphinTursiops truncatus295 H-0720-TXbottlenose dolphinTursiops truncatus114 H-0805bottlenose dolphinTursiops truncatusND Indian River Lagoon

8. SampleSpeciesScientific Name Average total BMAA (  g/g) CB1blue crabCallinectes sapidus2621 CB6blue crabCallinectes sapidus3486 CB2blue crabCallinectes sapidus4018 CB5white perchMorone americana1806 CB4white perchMorone americana3996 Chesapeake Bay