贫血是原因不明疲劳症的重要原因之一。即使是血色素正常的女性,也会感到非常疲劳。血红细胞寿命长达120天,因而血色素含量并不是反映身体是否缺铁的近期指标。血液中的铁含量能够比较好地反映近期的铁营养状况,更多专家认为,红骨髓中的铁储量才是最灵敏的铁营养指标。专家推测,人体对铁的供应可能非常敏感,如果膳食中的铁量 Anemia is one of the important causes of unexplained fatigue. Even women with normal hemoglobin will feel very tired. The life span of red blood cells is up to 120 days, so hemoglobin content is not a recent indicator of whether the body is deficient in iron deficiency. Iron content in the blood can better reflect the recent iron nutrition status, more experts believe that the red bone marrow iron reserves is the most sensitive iron nutrition indicators. Experts speculate that the body’s supply of iron may be very sensitive if the amount of iron in the diet