Possible Reasons, and The Best Labs for Fatigue Key Takeaways: Fatigue describes more than just feeling sleepy — it’s a ...

“Fatigue is an extremely common symptom seen in general practice,” says Dr Angela Rai, GP at The London General Practice.

Hydration, specifically the lack of it (dehydration), can result in tiredness and fatigue by affecting several of your body's functions, including blood volume and oxygen delivery. You may also feel ...

Most of the time, you assume your brain is either “on” or “off,” awake or asleep. A new study shows something far more ...

Constant tiredness despite enough sleep may signal health issues like anemia, thyroid problems, diabetes, or sleep apnea.

You blame your persistent fatigue on work stress, poor sleep, or the demands of modern life, but chronic exhaustion that doesn’t improve with rest might be your body’s way of alerting you to ...

Researchers have uncovered a hidden breathing issue that may be worsening symptoms in people with chronic fatigue syndrome.

NHS chiefs have issued a warning about ongoing fatigue and when people should consult a GP over tiredness. It's normal to ...

At first glance, idiopathic hypersomnia (IH) and chronic fatigue syndrome (CFS) look alike. They both involve daytime tiredness and unrefreshing sleep. But IH and CFS, now sometimes called myalgic ...

Fred Hutchinson Cancer Center-led investigators found that higher patient-reported fatigue before cancer treatment aligned ...

Endometriosis can cause feelings of constant tiredness and exhaustion. It can often affect a person’s overall quality of life and make it difficult to complete daily activities. Endometriosis is a ...