Mitochondrial dysfunction is what ends up killing you if it isn't addressed
Common sources of mitochondrial damage include:
Pesticides/Herbicides
Radioactive Elements
Heavy Metals
Medications
Parasites
Viruses
Mold
If you want to strengthen your mitochondria, do the following:
Fasting
Daily Exercise
Deep Breathing
Prioritize your sleep
Sunlight/Red+IR light
Eat local and organic foods
Supplement Fulvic Acid/Acetyl L Carnitine/Alpha Lipoic Acid/Magnesium Acetyl Taurate