Evidence for high-grade face masks was weak, Covid inquiry told

UKHSA’s Prof Susan Hopkins questioned over face masks at Covid inquiry. There is only “weak evidence” that high-grade face masks better protected health workers than surgical ones in the pandemic,

Headband helps people fall asleep by aligning audio signals with brainwaves

The Elemind Neuromodulation device (ENMod). (A) The primary UI of the smartphone app used to control the device. Users were given information about electrode contact using an eyeblink test and

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