Denver will become the first U.S. city to decriminalise the use of psilocybin, the psychedelic substance in ‘magic mushrooms.’ Photograph: AP Photo/Richard Vogel

Voters in Denver, a city at the forefront of the widening national debate over legalising marijuana, have become the first in the nation to effectivel(...)

New international guidelines, that question the benefits of low-dose aspirin to prevent first-time heart attack, rely on research by an Irish expert. (...)

Was it a broken heart that landed George HW Bush, the 41st president, in the hospital just a day after the funeral of his wife, Barbara? The Bushes w(...)