Fundamental knowledge needed to develop effective anti-aging medicine
already exists, and that the science is ahead of the funding. Aubrey David Nicholas Jasper de Grey is a British biomedical gerontologist he works to identify and promote specific technological approaches to the reversal of various aspects of aging, or as de Grey puts it, "the set of accumulated side effects from metabolism that eventually kills us," and for the more proactive and urgent approaches to extending the healthy human lifespan. Regarding this issue, de Grey is a supporter of life extension.