Illness

Subjective experience of feeling unwell.

sickness ailment disease

Illness is a subjective experience of feeling unwell, often involving physical or mental distress. It can range from minor discomfort to severe disease.

/ˈɪlnəs/

From Old English 'illnes', meaning ‘bad condition’.

An illness is when your body isn't working as it should, making you feel sick or uncomfortable, like having a cold or the flu.

The word 'illness' comes from the Old English word 'illes', meaning unhealthy
Throughout history, people have used various methods to treat illnesses, from herbal remedies to surgery
The study of illness is a major focus in medicine and public health

What is an illness? A sickness or disease that affects your body
How do you know if you are ill? You might feel tired, have a fever, or experience pain
Can illnesses be contagious? Some illnesses can spread from person to person

disease sickness ailment

health wellness

medical condition disease

cold flu cancer diabetes

symptoms fever pain

health body

medical condition