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How stress can erode your brain’s ability to fight dementia

Some people have the biological hallmarks of Alzheimer’s – proteins called amyloid and tau that gum up the brain – but have no disease symptoms. Researchers suggest that this could be because some people build up a “cognitive reserve” –…

Report: Apple beginning serious work on a foldable iPhone

Enlarge / The iPhone 15 lineup. (credit: Samuel Axon) After years of rumors and speculation, Apple is moving ahead to produce its first foldable iPhone, according to two anonymous sources who spoke with tech publication The Information. The sources say…

Woman who went on the lam with untreated TB is now cured

Scanning electron micrograph of Mycobacterium tuberculosis bacteria, which cause TB. (credit: National Institute of Allergy and Infectious Diseases) “She’s cured!” Health officials in Washington state are celebrating the clean bill of health for one particularly notable resident: the woman who…