According to the National Institute of Mental Health, one in five adults in the U.S. are living with a mental illness. Stigmas surrounding mental health can frequently result in discrimination in the workplace. Mental health challenges and stress in the workplace are incredibly costly, financially and otherwise. Implementing an anonymous employee assistance program and encouraging mental health days, are two things that can be done to help bring mental illness in the workplace out of the shadows.
See "Mental Health Problems Need To Be Destigmatized In The Workplace—Here’s How To Do It", Samantha Todd, Forbes, October 10, 2019