Mitochondria are tiny structures found in all cells in our bodies and produce most of the energy we need to function normally.

CNN: Genetic disease: Mother hopes for cure for dying children

Children with the disease have a genetic mutation that causes them to produce the protein progerin, which blocks normal cell function.

CNN: Advances in kids' early aging disease

Companies that can produce products that are sustainabl, but also cost and function the same as non-green competitors will find overwhelming market acceptance.

FORBES: No, Consumers Will Not Pay More for Green

Patients with Pelizaeus-Merzbacher disease struggle to produce a fatty sheath around their nerves, which is essential for function.

BBC: Nerves

According to Dr Rattan, such interventions improve the function of a cell over time, and in doing so, may produce clinical benefits such as protection against neurodegenerative diseases.

ECONOMIST: How to live longer��maybe

Another surprise: Many genes produce half-baked proteins that need to interact with other proteins, made by other genes, to function.

FORBES: Magazine Article