Disease

A disease is an abnormal condition affecting the body of an organism. It is often construed to be a medical condition associated with specific symptoms and signs. It may be caused by external factors, such as infectious disease, or it may be caused by internal dysfunctions, such as autoimmune diseases. In humans, "disease" is often used more broadly to refer to any condition that causes pain, dysfunction, distress, social problems, or death to the person afflicted, or similar problems for those in contact with the person. In this broader sense, it sometimes includes injuries, disabilities, disorders, syndromes, infections, isolated symptoms, deviant behaviors, and atypical variations of structure and function, while in other contexts and for other purposes these may be considered distinguishable categories. Diseases usually affect people not only physically, but also emotionally, as contracting and living with many diseases can alter one's perspective on life, and their personality.

Famous quotes containing the word disease:

“It is said, proverbially, that happy is the doctor who is called in when the disease is on its way out.”
—François Rabelais (1494–1553)

“The artistic temperament is a disease that affects amateurs.... Artists of a large and wholesome vitality get rid of their art easily, as they breathe easily or perspire easily. But in artists of less force, the thing becomes a pressure, and produces a definite pain, which is called the artistic temperament.”
—Gilbert Keith Chesterton (1874–1936)

“I prithee, daughter, do not make me mad.
I will not trouble thee, my child; farewell:
We’ll no more meet, no more see one another.
But yet thou art my flesh, my blood, my daughter—
Or rather a disease that’s in my flesh,
Which I must needs call mine.”
—William Shakespeare (1564–1616)