Choosing, writing and sending a card takes time and effort, so it's a fantastic (and simple) way to let someone know that you care - any day of the year. But why not start now as it's ‘Thinking of You Week’. It was launched in 2014 by the Greeting Card Association to “create a wave of love, caring and happiness around the world, by encouraging everyone to send cards to different people during the week.” According to neuroscientist, Dr Lynda Shaw, “there are two big killers i