Yes, dehydration can lead to a decrease in hemoglobin levels in the blood. When the body is dehydrated, there is a decrease in the volume of blood circulating in the body, which can lead to a concentration of red blood cells and hemoglobin in the blood. This can give the appearance of low hemoglobin levels when in fact the body is just dehydrated. It is important to stay properly hydrated to maintain healthy levels of hemoglobin in the blood.
