Copper is an essential trace mineral integral to various bodily functions, from iron metabolism to immunity. Its levels in red blood cells (RBCs) can be a more accurate measure of overall copper status than serum levels.
Insufficient copper can lead to anemia, oxidative stress, and cognitive impairment, while an excess can negatively impact zinc levels and contribute to health issues like obesity, diabetes, and heart disease.
RBC copper levels can fluctuate based on factors such as physical activity, with moderate to high-intensity training potentially leading to lower copper concentrations. Thus, monitoring RBC copper levels in physically active individuals is advised.
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