The San Francisco 49ers finalized a five-year contract with General Manager John Lynch that will tie him to the team through the 2024 season, according to football insider Adam Schefter.

"48 Hours" correspondent Maureen Maher investigates in "In Jason's Name," By the time Sarah Corbett Lynch was 8 years old, she had lost three parents, been moved back and forth halfway across the ...

This Review examines the current evidence supporting a role for intracellular amyloid-β (Aβ) in the pathogenesis of Alzheimer's disease. Intracellular Aβ accumulation appears to be an early ...