The mental health charity Mind estimate that 1 in 6 British workers are affected by conditions like anxiety, depression and stress every year. But these are still taboo, especially at work. It is not done to talk about feelings, and those who are most at risk find it particularly hard: suicide is the leading cause of death among young men. As employers we have a responsibility to build healthy workplaces and as individuals we should be aware of the signs and step in when we think someone needs help. So what are the signs of depression?*