The Transhuman Project is taking time out to access the health benefits of the process of a human merging with a machine. Some results are unexpected.
For one, the merging takes place relative to the human body chemistry and a balance is inevitable, more balanced than without the machine. As far as we can tell, this is one way of extending life and life longevity.
How long is the life extension is a question that can only be answered by the length of time the experiment has continued. Thus far, the experiment in going into year two. Therefore, we know life is extended for at least one year. However, given the advanced age of the subject, it's subjective in knowing the predicted life span, estimated differently by different medical doctors. This far, the patient is analyzed for data by the heart and vascular doctor, nerve and neuropathic doctor, blood chemistry and regulatory doctor, kidney/liver and endocrine doctor and the Chinese herbal medicine doctor plus others. The analysis is very extensive, for years, inclusive of regular blood tests and body chemistry analysis, tests performed inclusive of CT scans, angiograms, ECG, echo, valve and other heart tests, etc. and so on.
In the long term analysis over the period of man-transformation-to-machine, the biological side vastly improved. This will undoubtedly increase life span of the new Transhuman, a side benefit to the machine transformation. How long is will this benefit last, i.e. before some other non-related component fails? The answer to that question is unknown. Perhaps the upload of the human side over to the machine side should take place asap. Such consequences could produce a symbiotic life form reaching towards immortality.