Healthcare professionals have developed several methods for monitoring people's overall health and wellbeing during a regular checkup. Many of these measure substance concentrations or saturations in ...

Inaccurate readings from devices that measure blood oxygen levels could be making it difficult to assess the severity of Covid-19 in people from different ethnic groups, research suggests. Pulse ...

Coronavirus patients who suffer even a slight drop in their oxygen levels are at a heightened risk of dying from the disease, a study has warned. Current NHS guidelines consider someone to be in the ...

The findings are important as high levels of skin pigmentation are linked to ethnic groups who have a poorer outcome from Covid-19, researchers say. Pulse oximeters attach a clip-like device to a ...