👉 Sicknesses are conditions that affect a person's body, causing them to feel unwell or have symptoms such as fever, chills, nausea, vomiting, headaches, fatigue, soreness, and other illnesses. These conditions can be caused by various factors such as an infection, viral or bacterial infections, allergies, parasites, overexertion, dehydration, malnutrition, certain medications, or stress.
