Rockefeller University

Medical research

Telomere shortening protects against cancer

As time goes by, the tips of your chromosomes—called telomeres—become shorter. This process has long been viewed as an unwanted side-effect of aging, but a recent study shows it is in fact good for you.

Immunology

How the immune system deals with the gut's plethora of microbes

The gut is an unusually noisy place, where hundreds of species of bacteria live alongside whatever microbes happen to have hitched a ride in on your lunch. Scientists have long suspected that the gut's immune system, in the ...

Medical research

A revised map of where working memory resides in the brain

Working memory: it's how you make a mental shopping list without forgetting the milk, or memorize a number just long enough to write it down. But working memory is more than a prerequisite for a successful errand—the ability ...

Medical research

Microbes in the gut may influence metabolism

The 10 trillion bacteria living in your digestive system may not be human, but they seem to be as integral to your body as your heart or liver. A growing number of studies are finding that microbes in the gut directly influence ...

Medical research

How mechanical forces nudge tumors toward malignancy

All cancers are the result of cells that have gone haywire, multiplying out of control and expanding beyond their normal constraints. But not all tumors are the same: for reasons that remain poorly understood, some are more ...

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