Sometimes it is a sign of a body-wide joint condition such as ankylosing spondylitis.
Is sleeplessness a result of another condition such as depression, or is the insomnia the root of the other problem?
Continuous "is said to be used for a truly gapless state or condition, such as heat, war or illness.
The current face of mental illness is young, white, middle-class, diagnosed with a condition such as depression or anxiety.
Secondary osteoarthritis is caused by another condition, such as joint trauma, congenital joint malalignment, obesity, hormonal disorders, and osteonecrosis.
However, successful genetic study of a complex condition such as aging requires clear phenotype definition.
Or it may be related to an underlying medical condition, such as an underactive thyroid or heart failure.
Mood changes may also stem from a medical condition, such as thyroid disease or a neurological condition.
It may be due to a sports-related injury, an accident, or a congenital condition such as scoliosis.
The problem to be solved is usually one of maintaining a particular condition, such as A in Figure 1.
Many structures have to resist aggressive environment condition such as sea water exposure.
