Gene expression reveals new cellular subtypes within the blood vessels that irrigate and protect the brain.
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Gene expression reveals new cellular subtypes within the blood vessels that irrigate and protect the brain.
Studies of aging are complicated by animals’ physical and cognitive decline and increased variability between individuals.
Epigenetic clocks capture aging processes at the molecular level. Now, researchers grapple with how they work and what they mean.
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As worms age, their memory deteriorates, just as it does in humans.
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