

Weekly: Immune system treatment makes old mice seem young again; new black hole image; unexploded bombs are becoming more dangerous
#243 As we age our immune systems do too, making us less able to fight infections and more prone to chronic inflammation. But a team of scientists has been able to reverse these effects in mice, rejuvenating their immune systems by targeting their stem cells. But there’s a long road to trying the same thing in humans.…
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