Pulse oximeters use light to measure how much oxygen is in a person’s blood. For most people, a normal pulse oximeter reading is between 95% and 100%, researchers said in background notes. Readings ...

M odern smart watches can measure an array of health indicators. Step counts and heart rates sit at the simpler end, while ...

Four-year-old Ellie Rudd – who loved mud and getting dressed up and having dance parties with her brother and sisters – died ...

Beetroot supplements deliver vital nutrients that can be beneficial for blood pressure, blood sugar, exercise recovery, and ...

Waking up suddenly gasping for air at night may signal a hidden heart condition. A cardiologist explains causes, symptoms, ...

It lowers levels of the stress hormone cortisol – a single session may reduce levels by 37 percent, according to UCLA Health ...

Studies show that even ten minutes of purposeful walking a day can boost health - yet the average Briton manages just 5,951 ...

Meet the walking shark, a species of shark that can walk on land, survive low oxygen environments, and reproduce without ...

I reassured him and sent him to get another blood specimen drawn without a tourniquet. Why? Because I suspected that the ...

We tested popular wideband O₂ controllers against lab-grade equipment to see how accurate their lambda readings really are under real engine conditions.