Background: Measuring pain on digital devices using classic unidimensional pain scales such as the visual analog scale (VAS), numerical rating scale (NRS), and faces pain scale (FPS) has been proven ...

Chronic fatigue syndrome (CFS) causes severe fatigue and cognitive difficulties without a known cure. Manage stress and know your limits to prevent CFS symptom flares. Medications and therapy can help ...

Melissa Fiorenza is a writer with over 15 years of experience covering topics in health and fitness, parenting, beauty, and women's issues. Her work appears in publications including Health, ...

Lynne Peeples is a science journalist in Seattle, Washington. Near the end of his first series of chess matches against IBM’s Deep Blue computer in 1996, the Russian grandmaster Garry Kasparov ...