Energy metabolism

While the desire for a lengthy life is universal, what people truly value is an extended phase of vitality and well-being, often referred to as "healthspan," which precedes the natural effects of aging. Scientists at UC Santa Barbara have made a noteworthy finding that the cellular mechanisms responsible for triggering cell self-destruction during times of stress can actually enhance the potential for a longer and healthier life by rejuvenating specialized cellular structures known as mitochondria.