Italian lawmakers have demanded formal approval for a controversial stem-cell therapy, but allowed some patients to continue treatment under stricter rules.
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Researchers find that reducing mitochondrial protein production in some animals can increase lifespan by activating a protective stress response.
The activity of one type of immune cell helps regrow the limbs of amputated salamanders.
The essential nutrient can kill drug-resistant Mycobacterium tuberculosis by producing oxidative radicals that damage DNA.
Viruses that attack bacteria may be an important component of our gut microbiota.
A new class of immune cell could protect against type 1 diabetes by suppressing other immune cells.
A molecule found only in the blood of young mice dramatically reverses thickening and stiffening of the heart muscle in old mice.
Christian de Duve chose to be euthanized at home in Belgium at age 95.
Presidential science advisor argues against draft legislation that would change how the National Science Foundation judges grant proposals.
As telomeres shorten with age, genes as far as 1,000 kilobases away could be affected, including one responsible for an inherited muscle disease.
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