America’s new dietary guidelines ignore decades of scientific research
The new year has barely begun, but the first days of 2026 have brought big news for health. On Monday, the US’s federal health agency upended its recommendations for routine childhood vaccinations—a move that health associations worry puts children at unnecessary risk of preventable disease. There was more news from the federal government on Wednesday,…
Job titles of the future: Head-transplant surgeon
The Italian neurosurgeon Sergio Canavero has been preparing for a surgery that might never happen. His idea? Swap a sick person’s head—or perhaps just the brain—onto a younger, healthier body. Canavero caused a stir in 2017 when he announced that a team he advised in China had exchanged heads between two corpses. But he never…