The process of becoming older, a process that is genetically determined and environmentally modulated.

A gene has been discovered that helps determine the life-span of the fruit fly Drosophila. When the gene is mutated (altered), it can extend the life-span of fruit flies. It doubles their life-span. The gene has been named Indy (for I'm not dead yet). It appears that the protein encoded by this gene transports and recycles bolic byproducts. Defects in the gene may lead to production of a protein that renders bolism less efficient so that its body s as if the fruit fly were dieting, even though its eating habits are unchanged.

The list of complications that have been mentioned in various sources for Aging includes:

Cataracts
Glaucoma

How TCM Associates Aging Signs 
Most people would agree that signs of aging are easy to spot. In TCM theory, healthy people should exhibit the following :

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