I note that HealthUnlocked are testing a new feature by which you can invite others to join the HU Community. You can check it out either by clicking on your profile picture/username in the top, green menu and choosing 'Invite Friends', by clicking on the link below, or by going to your profile and clicking on 'Invite Friends' from the menu on the left.
I recently updated my profile (click on my profile picture to check it out) and noticed that you can now add in links to other sites. Given today is Australia Day, I've included my preferred replacement to our current national anthem .
I've updated the HowTo on editing your profile here: