Grandparents can often be the first to notice a change in the behaviour or happiness of their grandchildren, especially if they're providing childcare.  Maybe they seem more miserable or badly behaved than usual, but how do you find out if this is more than the usual ups and downs of growing up?

There's often no easy answer, but we've tacked some common issues below, and asked experts from other charities to advise on some of grandparents' most common concerns when it comes to their grandchildren:

If you ever think your grandchild is at risk of immediate harm, call the police or the NSPCC on 0808 800 5000.