Acute and chronic conditions typically differ in how they develop and how long they last. Broadly speaking, acute conditions occur suddenly, have immediate or rapidly developing symptoms, and are ...

NOTICE: The project that is the subject of this report was approved by the Governing Board of the National Research Council, whose members are drawn from the councils of the National Academy of ...

Chronic conditions can have various, sometimes serious, effects on older adults. These illnesses can affect everything from quality of life, physical health, and overall mental well-being. A chronic ...

Fatigue can stem from a variety of illnesses and life stressors, but when that exhaustion lasts for months — often following an infection — it may indicate a condition called chronic fatigue syndrome.