Aging delayed in older mice given blood component from young mice, according to a new study published this week, which found that supplementing older mice with eNAMPT, a protein obtained from younger mice, appears to slow decline in health and extend the life spans of older mice by about 16%.

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Aging delayed in older mice given blood component from young mice, according to a new study published this week, which found that supplementing older mice with eNAMPT, a protein obtained from younger mice, appears to slow decline in health and extend the life spans of older mice by about 16%.