Anemia

Decreased hemoglobin and red blood cell count in the blood. This leads to inadequate oxygen supply to tissues, causing general weakness, headaches, dizziness, drowsiness, reduced physical capacity, shortness of breath, and heart palpitations.

Source | Author Doctor Nikas Samuolis, reviewed by Prof. Virginijus Šapoka | Vilnius University | Faculty of Medicine | Head of the Department of Internal Medicine, Family Medicine, and Oncology