18:49, Tue, Apr 7, 2020 Updated: 21:04, Tue, Apr 7, 2020 A doctor may refer you for tests if they suspect your blood oxygen levels could be too low. If your blood oxygen levels are below normal, it ...

While oxygen first appeared in Earth's atmosphere 2.4 billion years ago, it took another two billion years to reach the levels we breath in today. Now a researchers believe they have identified what ...

Say good-bye to pulse oximeters: Smartphone's camera and flash can now help people to measure blood oxygen levels easily at home. No need to search for pulse ...

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 ...

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 air we breathe seems infinite and unchanging, but scientists monitoring Earth’s oxygen levels are seeing something deeply ...

Dissolved oxygen is a measure of the amount of gaseous oxygen (as O 2) dissolved in water. Oxygen enters the river water from the atmosphere (via diffusion), from groundwater, and also as a by-product ...

Coral reef research has focused on the twin evils birthed by record-high greenhouse gas emissions: warming oceans and increasingly acidic seawater. These global threats are caused by seawater ...

Medical professionals are warning that three tell-tale signs upon waking could signal an elevated risk of dementia. A ...

Oxygen is key to life but could it also be a key factor in insulin resistance and type 2 diabetes? We take a look at the evidence behind this idea and also which methods could use oxygen towards our ...