Can malnutrition cause low WBC?

Yes it can. Various mechanisms operating at the same time time may cause it. Even when infection is associated, that results in increase in WBC count normally, count here may be low because body immunity is unable to respond and even supressed further. Finally, it is not a good sign for patient. read more

White blood cells, one component of your blood system, will battle viruses, bacteria and other invaders that pose a threat to your health. Your body can produce 100 billion white blood cells in a day, but malnutrition, disease and injury may cause a decrease in white blood cell production. read more