A little boy was diagnosed with a rare muscle-wasting disease after getting severe leg cramp at a laser tag party. Evan Winter, seven, was slow to progress as a baby and didn’t walk until 20 months ...

P resident Donald Trump has been diagnosed with chronic venous insufficiency, or CVI, a condition affecting blood flow in the ...

Hip flexor pain is commonly caused by sudden movements, stiff muscles, or trauma. Learn more about the symptoms and how it's ...