Muscles make up nearly 40% of the human body and power every move we make, from a child’s first steps to recovery after ...

From rare cancers caught early to dementia foretold decades in advance, newborn genomic testing raises an unsettling question ...

A blood test that can screen for cancers. An app driven by artificial intelligence aimed at helping people with their mental health. A test of someone’s saliva that can identify possible health issues ...

While genetics play a role, the most youthful-looking people have systematically eliminated everyday habits that silently accelerate aging—and the specific behaviors they've abandoned might shock you ...