Last year, Scarlett Curtis and 52 inspirational women wrote an extraordinary anthology on what feminism means to them. The book went on to be a cultural phenomenon and turned the world pink. This year, it’s blue. We are living in the middle of a mental health epidemic and we have a choice – we can be floored by it – or we can start to make a difference. Here are the extraordinary people making that difference – a collection of words from those who have suffered through the worst, and know what it’s like to fight to feel better.