Sudden onset joint pain and fatigue can be symptoms of flu and other infections, as well as some chronic conditions. Learn more here.

“Untreated adrenal fatigue is becoming an unnecessary modern-day disaster for women,” says Dr. Teitelbaum, noting that women are 300% more likely than men to suffer from it.

Adrenal fatigue is not real, a doctor said. Adrenal glands don't get fatigued, and taking supplements could worsen your symptoms — and even be fatal.

Chronic Fatigue Syndrome (CFS), also known as Myalgic Encephalomyelitis (ME), is a debilitating condition that affects millions worldwide, yet remains largely misunderstood. It’s important to raise ...

They can also spread diseases like ehrlichiosis, which, if left untreated, can damage the brain or nervous system, and the Heartland virus, which can cause fever, fatigue, and joint pain," said ...