Skip to content
Healthy Aging Hub

:

Articles related to focusing on healthy aging, prevention, mobility, cognition, nutrition, independence, and caregiving support.

5 min

Does Age Affect Hematocrit Levels? A Comprehensive Guide to Normal Ranges

Yes, age significantly affects hematocrit levels, with typical reference ranges varying substantially from newborns to older adults. For instance, newborns have particularly high hematocrit levels, a value that typically decreases in early life before stabilizing in adulthood and potentially declining again in older age. Understanding how these values naturally shift throughout life is crucial for interpreting blood test results correctly and identifying potential health issues.

Read Healthy Aging
4 min

What is the size of the portal vein by age?

According to a 2023 meta-analysis, the pooled mean portal vein diameter (PVD) is significantly smaller in children (6.60 mm) than in adults (10.72 mm), confirming that the size of the portal vein increases with age. This growth is a normal physiological process, though factors like body size and health status can also cause variations.

Read Healthy Aging