This illness, also known as hypoxia, is the result of a lack of oxygen to the tissue in the body.
One fascinating interaction between mind and body is seen in an illness known as psychosomatic glycaemia fatigue.
He'd had an illness known as fire-head to Southerners; its initial symptoms were similar to those of a cold.
Some physical illnesses, known as systemic disorders, also have a similar quality.
Payton said earlier this week that he felt obliged to make his illness known.
A similar illness, known as the Picardy sweat, occurred in France between 1718 and 1861, but was less likely to be fatal.
He did not know that he was virtually ill, with a very real illness known as culture shock.
A rare but serious illness known as Reye's syndrome may occur.
Schizophrenia is a serious mental illness known to afflict 2.2 million American adults and many more worldwide.
We are of course aware of who is most often affected by the illness known as tinnitus.