Research roundup: Ancient worms of the deep sea provide clues to the evolution of long lifespans, and more
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Lessons from 300 year old tubeworms:

Lessons

The low 0.67% mortality rate … supports longevity theory, which states that in the absence of extrinsic mortality threats, natural selection will select for individuals that senesce slower and reproduce continually into their old age.

The low 0.67% mortality rate … supports longevity theory, which states that in the absence of extrinsic mortality threats, natural selection will select for individuals that senesce slower and reproduce continually into their old age.

A biostatistician finds that FOXO3, previously touted as a centenarian gene par excellence, probably won’t help you join the oldest 1%. But winning the genetic lottery isn’t everything: non-smoking, non-obese moderate drinkers can expect to live up to seven years longer than the population average.

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The brain’s immune defenses are in the spotlight for neurodegenerative disorders this week, with one team finding an association with Alzheimer’s disease and three rare gene variants that code for microglial proteins, and another finding that brains with Alzheimer’s and Parkinson’s have upregulated expression of the ANK1 gene in microglia.

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Reducing circulating insulin levels in mice by 25% leads to lower fasting glucose, improved insulin sensitivity and up to 11% longer life.

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We knew ozone was bad for lung function, but it looks

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