Feeling tired, forgetful, or tingling in your hands and feet? These could be early signs of vitamin B12 deficiency. Here's what to watch for to protect your health.

If any of these patterns have become a regular part of your life, it might be time to get your hormone levels checked.

So I did what so many runners do and pushed myself to run through exhaustion – and when that became unsustainable, I ...

So I did what so many runners do and pushed myself to run through exhaustion. And when that became unsustainable, I shortened ...

Here’s why so many Americans feel drained all the time—and why it’s getting harder ever truly to feel rested. America’s ...

Scientists have discovered that most chronic fatigue patients experience dysfunctional breathing, which may worsen their ...

Fatigue is a rare symptom of high blood pressure. Low blood pressure and other health conditions, as well as certain ...

Feeling tired more often than not affects men for different reasons than women, and the causes range from hormonal changes ...

Having just one more drink generally seems like a good idea at the time, but overindulging can make you seriously question your judgment come morning. Headache, nausea, fatigue and a nasty case of ...

Routine blood work is a simple but powerful tool for detecting hidden health issues before they become serious. Sudden ...