A disease is a particular abnormal condition that affects part or all of an organism not caused by external force and that consists of a disorder of a structure or function, usually serving as an evolutionary disadvantage. The study of disease is called pathology, which includes the study of cause. Disease is often construed as a medical condition associated with specific symptoms and signs. It may be caused by external factors such as pathogens or by internal dysfunctions, particularly of the i
Treating Boils. 1  1. Apply hot compresses to the boil. 2  2. Do not lance or burst the boil at home. 3  3. Wash the drained boil with antibacterial soap.  4. Apply an antibacterial cream and dress the 1  boil. 5. Continue applying hot compresses until the boil is fully healed.  6. See a doctor if the boil has not drained within two weeks, or has become infected.
Prepare a water bath by half filling a 250 cm3 beaker with warm water and heating it to boiling point on a tripod and gauze, with a Bunsen burner. When the water boils, reduce the flame to keep the water at boiling point. (b) Label four test-tubes 1-4. (c) Copy the table given below into your notebook. (d) In each tube place 5 cm3 3% starch solution. (e) Using a syringe or graduated pipette, add 3 cm3 Benedict's solution to the starch solution in . tube 1 and place the tube in the boiling water bath for five minutes. (f) Rinse the syringe or pipette and use it to add 1 cm3 dilute hydrochloric acid to the starch solution in each of tubes 2, 3 and 4.