http://medicalxpress.com/ en-us Medical Xpress internet news portal provides the latest news on Health and Medicine. Sharks are among the most threatened of marine species worldwide due to unsustainable overfishing. Sharks are primarily killed for their fins alone, to fuel the growing demand for shark fin soup, which is an Asia delicacy. A new study by University of Miami (UM) scientists in the journal Marine Drugs has discovered high concentrations of BMAA in shark fins, a neurotoxin linked to neurodegenerative diseases in humans including Alzheimer's and Lou Gehrig Disease (ALS). The study suggests that consumption of shark fin soup and cartilage pills may pose a significant health risk for degenerative brain diseases. http://medicalxpress.com/news/2012-02-neurotoxins-shark-fins-human-health.html Health Thu, 23 Feb 2012 13:08:44 EST news249224895 While violent video games may lead to more aggression and anger in players, a new study shows that the opposite is also true: relaxing video games can make people happier and more kind. http://medicalxpress.com/news/2011-06-kinder-gentler-video-games-good.html Psychology & Psychiatry Mon, 06 Jun 2011 09:57:56 EST news226573058