ill health 
noun [mass noun]
Poor physical or mental condition: the president was absent due to ill health...
- Obesity has a colossal impact on physical, mental, and social ill health in many parts of the world.
- They say one in five British children now suffers from mental ill health, much of it stress-related.
- A lot of companies are losing a lot of money due to ill health because health and safety is not properly valued.
- well-mated
- well matured
- well-meaner
- well meaning
- well meant
- well-measured
- well-meated
- well-merited
- well-met
- well-metalled
- well-mettled
- well-minded
- well-mingled
- well-mixed
- well-modeled
- well-modelled
- well-modulated
- well-moneyed
- well-moralized
- well-motivated
- well-motived
- well-moulded
- well-mounted
- well-mouthed
- well-named