Download Flash Player to view this content.

The National | Jan 20, 2012 | 2:18

Helmet safety

What helmets are suitable for kids out tobogganing? The CBC's Kelly Crowe reports

Now Playing on CBC Radio Help Refresh

CBC Radio One

Listen Live Ottawa change

CBC Radio 2

Listen Live Eastern change

CBC Radio 3

Listen Live Radio 3
The National - Pesticides in organic foodDec 8, 2011 | 2:13The National Pesticides in organic food Video
The National Pesticides in organic food Dec 8, 2011 | 2:13Some organic produce in Canada contains pesticides, according to inspection documents obtained by CBC News, Alex Freedman reports
The National - Can aging be slowed?Jan 2, 2012 | 4:26The National Can aging be slowed? Video
The National Can aging be slowed? Jan 2, 2012 | 4:26CBC's Kelly Crowe on researchers in Canada and the U.S. who are working on ways to extend human life
The National - Curing cancerJan 4, 2012 | 4:35The National Curing cancer Video
The National Curing cancer Jan 4, 2012 | 4:35Cancer researchers are using a patient's own immune system to fight cancer
The National - Drugs shortage fearedFeb 20, 2012 | 2:18The National Drugs shortage feared Video
The National Drugs shortage feared Feb 20, 2012 | 2:18Doctors in Quebec are worried by news of a potential shortage of generic medication, including antibiotics and painkillers
The National - Shaking Oxy addictionMar 8, 2012 | 3:10The National Shaking Oxy addiction Video
The National Shaking Oxy addiction Mar 8, 2012 | 3:10As the manufacturer of the painkiller OxyContin phases out the drug in favour of a safer version, CBC's Linden MacIntyre looks at the difficult road ahead for those who have grown dependent on the drug
The National - Tooth decay epidemicMar 11, 2012 | 2:50The National Tooth decay epidemic Video
The National Tooth decay epidemic Mar 11, 2012 | 2:50Increasing numbers of preschool-aged children need dental surgery, CBC's Kelly Crowe reports
The National - Commute of bad healthMay 8, 2012 | 2:31The National Commute of bad health Video
The National Commute of bad health May 8, 2012 | 2:31A new study suggests the longer your commute to work, the bigger your waistline, and in turn, the greater the health problems you can expect
The National - Therapeutic iPod effectMay 11, 2012 | 2:33The National Therapeutic iPod effect Video
The National Therapeutic iPod effect May 11, 2012 | 2:33Three New Brunswick nursing homes are using iPods as a painless, drug-free way to reactivate the brains of people with Alzheimer’s or dementia
The National - Calcium supplement raises heart attack risk?May 23, 2012 | 2:28The National Calcium supplement raises heart attack risk? Video
The National Calcium supplement raises heart attack risk? May 23, 2012 | 2:28New research suggests taking calcium supplements may increase the risk of heart attack
The National - Men dirtier than womenMay 31, 2012 | 2:28The National Men dirtier than women Video
The National Men dirtier than women May 31, 2012 | 2:28Men's offices are crawling with more bacteria than women's workplaces, according to researchers who investigated the microbes where we spend much of our time
The National - HPV protectionJul 9, 2012 | 2:46The National HPV protection Video
The National HPV protection Jul 9, 2012 | 2:46A new U.S. study shows the HPV vaccine appears to be protecting the teens who get the shot, but also those who were not immunized thanks to 'herd immunity'
The National - New food allergy labelsAug 3, 2012 | 2:26The National New food allergy labels Video
The National New food allergy labels Aug 3, 2012 | 2:26New Health Canada labelling rules will make it easier for people with food allergies to determine which products to avoid
The National - New food labelling guideAug 10, 2012 | 2:12The National New food labelling guide Video
The National New food labelling guide Aug 10, 2012 | 2:12Canadian grocery chain Loblaw launches a new food labelling guide to help consumers make healthier choices in the food aisles
The National - Gastric bypass surgerySep 18, 2012 | 2:47The National Gastric bypass surgery Video
The National Gastric bypass surgery Sep 18, 2012 | 2:47A new study suggests that gastric bypass surgery, once considered extreme, should be moved into medicine's mainstream.
The National - Blood pressure drug benefits?Oct 2, 2012 | 4:45The National Blood pressure drug benefits? Video
The National Blood pressure drug benefits? Oct 2, 2012 | 4:452 new studies show that people with mild to moderate hypertension may not benefit from taking high blood pressure medications, CBC's Kelley Crowe reports

8 of 34