Further Reading

What's the Hard Return on Employee Wellness Programs?
Harvard Business Review article

Employee wellness programs have often been viewed as a nice extra, not a strategic imperative. But the data show otherwise. The ROI on comprehensive, well-run employee wellness programs can be as high as 6 to 1.

Mental Health at Work: Developing the business case
The Sainsbury Centre for Mental Health Policy Paper

"The total cost to employers of mental health problems among their staff is estimated at nearly £26 billion each year."

Treatment of anxiety
British Medical Journal

"...recognition of anxiety disorders is particularly poor in primary care and only a minority of people with anxiety disorders receive treatment."