Skip to content 
Environmental toxins
UV radiation
Stress
Poor diet
Inflammation
Natural metabolic processes
Eventually, many cells enter a state called “cellular senescence,” meaning they stop functioning properly but don’t die off as they should.
These aging cells can contribute to:
Continued on next page:
Chronic inflammation
Tissue damage
Reduced organ function
Increased disease risk
Slower Healing
Older adults often notice that:
Cuts heal more slowly
Bruises last longer
Recovery from surgery takes more time
Broken bones heal less efficiently
A simple fall that might cause a minor injury in a younger person can become a life-changing event for someone over 80.
Weakened Immune Response
The immune system also ages.
This phenomenon, known as immunosenescence, makes it harder for older adults to:
Fight infections
Recover from illnesses
Respond effectively to vaccines
Even common infections such as influenza or pneumonia can become serious threats.