The densely-populated island of Luzon is home to over half of the Philippines’ population, many of whom consume shellfish on a regular basis. An international team of scientists has just confirmed the presence there of two species of Pseudo-nitzschia diatoms capable of producing a dangerous neurotoxin that can cause severe sickness and memory loss. The densely-populated island of Luzon is home to over half of the Philippines’ population, many of whom consume shellfish on a regular basis. An international team of scientists has just confirmed the presence there of two species of Pseudo-nitzschia diatoms capable of producing a dangerous neurotoxin that can cause severe sickness and memory loss. Ecology Cell & Microbiology Phys.org – latest science and technology news stories