Nutrition
Understanding spleen function and its impact on everyday health

Health Points
- The spleen filters blood, fights infection, and supports immune function throughout life
- Regular check-ups and healthy habits protect spleen health as we age
- Lifestyle choices like not smoking and staying active help maintain organ function
The spleen works quietly in the upper-left part of the abdomen, performing essential tasks that keep us healthy. It filters blood, removes damaged cells, and helps the immune system recognize and fight germs.
Many adults over 40 do not give much thought to this fist-sized organ until something goes wrong. Yet its role becomes even more important as we get older and our immune systems naturally change.
“The spleen is like a recycling center for the body,” explains Dr. Maria Torres, a hematologist. “It removes old red blood cells and stores white blood cells that help fight infection.”
Common conditions that affect the spleen include enlargement, injury, and certain blood disorders. Most people recover well when these issues are caught early through routine exams.
Simple daily habits support spleen health. Staying active, eating nutrient-rich foods, and avoiding tobacco all contribute to better blood flow and immune support.
“We see better outcomes in patients who maintain a healthy weight and stay physically active,” says family physician Dr. James Patel. “These habits help every organ, including the spleen.”
Regular medical check-ups remain the best way to monitor spleen function. Blood tests and imaging can detect changes before symptoms appear, giving doctors time to act.