Please provide your email address to receive an email when new articles are posted on . Different definitions of iron deficiency provide discordant results for prevalence and prognosis of chronic HF, ...

A cohort study of patients with pulmonary hypertension (PH) has questioned the guideline definition of iron deficiency and the criteria used to identify and potentially treat it, with implications ...

There's overall agreement that iron deficiency is prevalent and portends a worse prognosis in patients with heart failure (HF), regardless of ejection fraction or anemia. What remains unclear, however ...

Primary immunodeficiency disorders (PIDs) are a heterogeneous group of disorders characterized, as the name suggests, by deficiencies (abnormal, poor or absent function) in the immune system. As ...

Functional cobalamin (Cbl; vitamin B12) deficiency (that is, high levels of the Cbl-dependent metabolites, methylmalonic acid (MMA) and homocysteine (HCys), despite normal serum Cbl values) is common ...

Symptoms of vitamin B12, or folate, deficiency can include fatigue, lethargy, low mood, shortness of breath, and nerve problems. Treatment often involves dietary changes or vitamin B12 supplements.

Indicators of a vitamin C deficiency may include fatigue, easy bruising, and bumpy skin. You may be more likely to have this deficiency if you have certain medical conditions, including anorexia.