Fatigue is a common side effect of iron deficiency, which can lead to anemia, or low red blood cell levels. Anemia can also show up as abnormal pallor.

Severe chronic liver diseases decrease serum cholesterol esters, leading to alterations in cell membrane lipids and abnormal red blood cell morphology.

Conclusion: Except age increase, there is abnormal expression of telomerase activity in nucleus cell of blood of patients with hypertension.