Telomere's are a snippet of DNA that protects the end of your chromosomes and determines how long you may live. The DNA and RNA processes that regulate the health of your telomere's is mind boggling. To simplify this. The complex interaction between your genetics, and life experiences including exposure to toxins, illness, injury, socioeconomic, education, diet, attitudes, mood, health, etc. may dictate how fast your telomere's are damaged and how your body will age and degrade.
Click on the link below to see the level of scientific inquiry into this complex system. Appreciate how amazing the body can heal when it is healthy and happy.