Running can feel exhausting, but it shouldn't leave you so gassed you can't get off the couch for the rest of the day or that it takes you a full week to recover from a workout. Too often, that sense ...

Ferritin is a protein that’s produced in the body’s cells, and largely concentrated in the liver and immune system cells. Ferritin stores and releases iron, which is essential for producing red blood ...

Ferritin is a critical protein that serves as the primary storage form of iron in the body. This protein is fundamental for managing iron levels, which are essential for numerous physiological ...

At one point or another during our training, we’ve all felt the onset of fatigue, constant tiredness or just that sudden wave of mid-run weakness. While we may chalk it up to an increase in mileage or ...

For me, running with low iron levels was a progressively worsening slog. For years, I attributed relatively vague symptoms – mostly fatigue and heavy legs – to common training mistakes, like improper ...

For me, running with low iron levels was a progressively worsening slog. For years, I attributed relatively vague symptoms—mostly fatigue and heavy legs—to common training mistakes, like improper ...

Children with systemic juvenile idiopathic arthritis (sJIA; Still disease) and those with rheumatoid factor (RF)-positive polyarthritis exhibiting high disease activity had higher serum ferritin ...

Factors influencing ferritin levels included irregular menstruation, menstrual bleeding volume, and elevated insulin levels—features closely associated with the syndrome. Although high ferritin has ...