The National | Dec 3, 2012 | 4:09

    Athletes and brain injuries

    The brains of some deceased athletes show 4 stages of a degenerative disorder that offer a glimpse into the potential long-term impact of brain injuries, U.S. researchers say

    Now Playing on CBC Radio Help Refresh

    Live audio streams for phones and tablets: Radio One and CBC Music (Radio 2, Radio 3 and more)

    CBC Radio One

    Listen Live Ottawa change

    CBC Radio 2

    Listen Live Eastern change

    CBC Radio 3

    Listen Live Radio 3
    The National - Youth binge drinkingSep 1, 2015 | 2:17The National Youth binge drinking Video
    The National Youth binge drinking Sep 1, 2015 | 2:17You might be surprised to hear the age some experts think parents should start talking to their children about alcohol
    The National - Promising Alzheimer's researchAug 27, 2015 | 2:05The National Promising Alzheimer's research Video
    The National Promising Alzheimer's research Aug 27, 2015 | 2:05Quebec researchers have found a link between that disease and fatty deposits in the brain
    The National - Child obesityAug 25, 2015 | 1:53The National Child obesity Video
    The National Child obesity Aug 25, 2015 | 1:53Why experts call for more prevention efforts
    The National - Beauty mythsAug 24, 2015 | 2:24The National Beauty myths Video
    The National Beauty myths Aug 24, 2015 | 2:24Beauty products promise cellular renewal, protein stimulation, and anti-inflammatory effects, but if they could do that, you wouldn't be able to buy them as easily
    The National - Dementia numbersAug 20, 2015 | 2:09The National Dementia numbers Video
    The National Dementia numbers Aug 20, 2015 | 2:09Education, therapies could reduce the risk but few believe it will eradicated
    The National - Vitamins for healthAug 17, 2015 | 2:41The National Vitamins for health Video
    The National Vitamins for health Aug 17, 2015 | 2:41How much value do they have for the average person?
    The National - Fentanyl overdoses and deathsAug 17, 2015 | 2:35The National Fentanyl overdoses and deaths Video
    The National Fentanyl overdoses and deaths Aug 17, 2015 | 2:35Fentanyl's popularity has risen as the availability of other opiates such as OxyContin and oxycodone has declined
    The National - Medical research community shocked by federal cutsAug 13, 2015 | 2:26The National Medical research community shocked by federal cuts Video
    The National Medical research community shocked by federal cuts Aug 13, 2015 | 2:26Physician-scientists are an elite group of doctors with the ability to make new and potentially life-saving discoveries
    The National - Music under the knifeAug 12, 2015 | 2:02The National Music under the knife Video
    The National Music under the knife Aug 12, 2015 | 2:02Research review shows the power of music to help manage surgical pain
    The National - Immigrant healthAug 10, 2015 | 2:29The National Immigrant health Video
    The National Immigrant health Aug 10, 2015 | 2:29A steep increase in diabetes and obesity rates found among Canadians of particular ethnicities
    The National - Lyme disease cases on the rise in several provincesAug 1, 2015 | 2:45The National Lyme disease cases on the rise in several provinces Video
    The National Lyme disease cases on the rise in several provinces Aug 1, 2015 | 2:45Doctors and patients are struggling to find a treatment, Thomas Daigle reports
    The National - Superfoods overvalued, says dietitianJul 27, 2015 | 2:21The National Superfoods overvalued, says dietitian Video
    The National Superfoods overvalued, says dietitian Jul 27, 2015 | 2:21Does kale live up to its marketing?
    The National - World's first malaria vaccine gets approval in EuropeJul 24, 2015 | 2:14The National World's first malaria vaccine gets approval in Europe Video
    The National World's first malaria vaccine gets approval in Europe Jul 24, 2015 | 2:14Malaria infects about 200 million people a year and killed an estimated 584,000 in 2013
    The National - Viral attack on cancerJul 11, 2015 | 2:07The National Viral attack on cancer Video
    The National Viral attack on cancer Jul 11, 2015 | 2:07A human trial in Canada will test if combining 2 different viruses can help kill cancer cells
    The National - TB, chronic lung infection drug in short supplyJul 7, 2015 | 1:58The National TB, chronic lung infection drug in short supply Video
    The National TB, chronic lung infection drug in short supply Jul 7, 2015 | 1:58Worried woman reaches out to CBC News for help finding medication

    1 of 34