As we all know concussion will affect us all at some point in our rugby careers, for those lucky ones - you'll be "hit" with it more than once.
The NHS defines concussion as : "Concussion is the sudden but short-lived loss of mental function that occurs after a blow or other injury to the head. It is the most common but least serious type of brain injury."
While it is the "least serious type of brain injury", it is still a brain injury and in rare cases, can be fatal.
It is important that we are able to know the signs and symptoms of concussion, and the more people who are aware - the easier it becomes to manage and prevent any long term effects to a players health.
The RFU have put together some (free) online courses for people involved in rugby to get some basic training on recognising and treating people with concussion. They take about 30mins, so when you get some spare time - have a run through, and you never know - you may just save someones life.
Match Officials: http://goo.gl/FZqFQP
RFU Headcase page: http://goo.gl/ucY4Gl
NHS Page on concussion: http://www.nhs.uk/conditions/concussion/pages/introduction.aspx