Healthy women have cells that resemble breast cancer

A new study from researchers at The University of Texas MD Anderson Cancer Center finds that, in healthy women, some breast cells that otherwise appear normal may contain chromosome abnormalities

Potential single-dose smallpox and mpox vaccine moves forward

Vaccines that prevent smallpox and mpox come in 2 varieties. One uses a single shot of a live virus but carries risk of serious side effects; the other, which is

UK death rate ‘reaches record low’

Christine Jeavans Data journalist, BBC Verify Getty Images Improvements in death rates largely reflect better health at older age groups The UK death rate reached a record low last year,