👉 Sickness, also known as sickness, is a state of physical or mental discomfort that affects an individual's ability to function normally. It can be caused by various factors such as illness, injury, trauma, infection, or environmental stressors. Sickness can affect people at any age and in different stages of life. The term "sick" refers to the feeling of being unwell or ill, which is a state of physical discomfort that can manifest itself in various ways, including fatigue, weakness