Unfortunately, even with available treatments, many individuals continue to experience persistent symptoms such as weakness, numbness and fatigue, which can result in prolonged morbidity and a ...

Fatigue refers to a common mental or physical state of extreme tiredness and lack of energy. Learn more about the causes and treatments here.

Dog Weakness and Lethargy: Common Causes and Treatments A few of the more common causes of weakness or lethargy in dogs include the following: Infection. Any kind of infection -- including serious ...

The book features Ella, a young girl who needs surgery after a skateboarding accident, and explains the surgical process in a ...

"You suddenly come down with tremendous amounts of vomiting, diarrhea, muscle aches, abdominal cramping, and this feeling of total fatigue and weakness," explained Jahre.

What defines a fever? And when should you seek help? Learn about the causes, signs, and symptoms of fever.