The definition of the word "Disease": (Dis-ease) a disorder of structure or function in a human, animal, or plant, esp. one thatproduces specific signs or symptoms or that affects a specific location and is not simply a direct result of physical injury: bacterial meningitis is a rare disease| a possible cause of heart disease. • a particular quality, habit, or disposition regarded as adversely affecting aperson or group of people: departmental administration has often led to the dread disease of departmentalitis.ORIGIN Middle English (in the sense ‘lack of ease; inconvenience’): fromOld French desaise ‘lack of ease,’ from des- (expressing reversal) + aise‘ease.’ ~~~To me, without a moment of question or hesitation, I live with the severe diseases of Fibromyalgia. It has taken my life away from me in so many aspects. I still work very hard to be positive and look on the brighter side of the clouds, but living like this, for decades now, the majority of my life, I very confidently say that I have a major disease. Just a side-note; the World Health Organization, Whittemore Peterson Institute, Stanford Medical, InvisibleDiseases.com, Dr Teitelbaum and many many many others classify CFS/ME (chronic fatigue syndrome) and Fibromyalgia as serious neuro-immune diseases....Call it whatever you want. I am sticking to what I know in my body to be a very real and debilitating disease. No question. No hesitation. This, that has robbed me of my dreams, my family, friends, and so much more, is a ...disease.