I'm sure you've heard that it's important to put ice on an injury, but new research shows that it might be counterproductive.
Slapping a packet of frozen peas on a black eye or a sprained ankle may prevent it getting better, new research suggests.
For years, people have been told to freeze torn, bruised or sprained muscles to reduce the swelling.
But now for the first time, researchers have found that it could slow down the healing as it prevents the release of a key repair hormone.
This discovery turns the conventional wisdom that swelling must be controlled in order to encourage healing and prevent pain. Read more