MSG reactions are real but technically not allergies. Learn what's actually happening in your body, what triggers symptoms, and how to identify MSG on labels.
MTHFR doesn't directly affect iron absorption, but its impact on methylation and folate metabolism can complicate anemia in subtle, often overlooked ways.
Radiation colitis can develop after cancer treatment. Learn how it affects the colon, what symptoms to watch for, and which treatments can help manage it.
Barefoot running changes how your foot strikes the ground, but is it better for you? Here's what the science says about benefits, injury risks, and how to start.