This disease can be an inherited genetic
condition, while for others the mitochondria can be affected by other enviromental factors.
This disease affects the parts of the body that need the most energy to function correctly, such as the heart, brain, muscles and lungs. The affected individual may have strokes, seizures, intestinal problems, blindness, deafness, muscle failure, heat/cold intolerance, immune system problems, etc. When a person gets ill with a cold, flu, etc.