Dopamine deficiency occurs when levels of the neurotransmitter dopamine are low, affecting movement, emotions, sleep, and cognitive function. It is linked to various health conditions, such as ...

A deficiency of vitamin B1 (thiamine) can cause a potentially fatal brain disorder called Wernicke encephalopathy. Symptoms can include confusion, hallucinations, coma, loss of muscle coordination, ...

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 ...

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Ischemic heart disease, the leading cause of death in the United States, has long puzzled researchers. While high serum cholesterol levels are linked to cardiovascular risk, the role of dietary fat ...