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Attention, chocolate lovers: You may not be able to help yourselves. Swiss and British scientists have linked the widespread love of chocolate to a chemical "signature" that may be programmed into our metabolic systems.
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Weariness - Fatigue
- Overview, Causes, & Risk Factors
- Symptoms & Signs
- Diagnosis & Tests
- Prevention & Expectations
- Treatment & Monitoring
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Overview, Causes, & Risk Factors
Fatigue is a condition in which a person becomes weary or exhausted. It is usually caused by overdoing some physical activity. It can also occur after a long period of mental stress. In some cases, it may occur for no clear reason.
What is going on in the body?
Most people have had fatigue at some point. The causes of fatigue range from working out or studying too hard to cancer. Sometimes no cause can be found.
What are the causes and risks of the condition?
Almost any sudden illness and many long-term illnesses can cause fatigue. The more common causes of fatigue include:
There may be many other causes of fatigue as well. Sometimes a cause cannot be found.