Rachel Uda

Investigators have released two ransom notes connected to Nancy Guthrie’s abduction, six months after the 84-year-old’s disappearance, and are calling on the public for help identifying the writer. The Pima County Sheriff’s Department said in a press rele... See more

Follow Investigators Release Nancy Guthrie Ransom Notes in Bid for New Leads Rachel Uda Updated Sun, August 2, 2026 at 7:04 PM UTC 4 min read Add Yahoo as a preferred source to see more of our stories on Google. Investigators Release Nancy Guthrie Ransom ... See more

Why This Neurologist Says We've Been Looking at Alzheimer’s All Wrong Rachel Uda, Health and Business Editor Updated Wed, July 29, 2026 at 4:36 p.m. UTC 5 min read Add Yahoo as a preferred source to see more of our stories on Google. Why This Neurologist ... See more

For decades, researchers believed that Alzheimer’s was driven by the accumulation of harmful proteins in the brain called beta-amyloid. This has come to be known as the “amyloid hypothesis,” and it’s still the prevailing theory in the field. But it’s been... See more

As cyclosporiasis continues to sicken Americans, experts have begun to question whether the outbreak could have been more quickly contained if not for recent federal cuts impacting the country’s food safety programs. The Centers for Disease Control and Pr... See more