There’s nothing trivial about cancer – the very word is scary, and of course the condition can have dramatic effects – on the patient and those around them. And it can be specially hard to deal with in families with young children. In her video message published earlier in March, Princess Kate said that she needed time to inform her three children Prince George (10), Princess Charlotte (8) and Prince Louis (5). “It has taken us time to explain everything to George, Charlotte and Louis in a way that is appropriate for them, and to reassure them that I am going to be OK.” Cancer experts advise a…