The growing number of girls and young women playing AFL has brought with it a rise in serious injuries on the field. Coaches are working to build strength and educate their players on how to protect themselves during play, and there are calls for more research funding.
As concern grows over the number of recent deaths in Melbourne Cups, researchers are investigating whether there is significance in the international origins of horses euthanased at the Cup over the past five years.
Swans defender Alex Johnson's last game was Sydney's 2012 AFL Grand Final win. Five knee reconstructions and 2,136 days later, he will finally make an improbable return to football against Collingwood this weekend.
After a career spanning almost 40 years, jockey Dale Spriggs estimates he suffered between 20 and 30 concussions. He's the first jockey to pledge his brain to the Australian Sports Brain Bank which is studying the link between concussion and brain injury.
Some scientists and doctors are calling for more oversight of the stem cell industry, as Australians pay thousands of dollars for medical treatments that are unproven and may not even work.
When doctors removed a part of his bowel after a shocking injury, Tim Browne knew it was time to call time on his rugby league career.
Warned she could become a quadriplegic if a dive went wrong, Taneka Kovchenko is forced to retire from the sport, just days before the start of the Commonwealth Games.
Research into cricket deaths prompted by the Phillip Hughes tragedy reveals dozens of historic fatal incidents, including in backyards, and urges authorities to consider further improvements to neck and chest safety equipment.
Four years ago, Australian para-snowboarder Joany Badenhorst was ruled out of Sochi after a training crash. Now it's happened again in Pyeongchang, and the gold medal hope's Games are over before they begin.
Australian kids are increasingly being left with serious injuries including spinal cord damage, fractures and sprains, as a result of playing at indoor trampoline centres.