Patients with darker skin tones have peripheral oxygen saturation readings that are higher than patients with a lighter skin tone.

People with heart failure often need a test called right heart catheterization, where a tube is inserted into the heart to ...

Fingertip monitors known as pulse oximeters that can be used at home to detect low blood oxygen levels (hypoxemia) give higher readings for patients with darker than lighter skin tones, finds the ...

Doctors may soon be able to tell just how sick a heart failure patient really is by using a routine MRI scan, thanks to new ...

Introduction Constant suppliance of oxygen plays one of the crucial roles in normal brain functioning. Examining brain at high altitude can provide us useful information about how brain functions are ...

Jan. 16, 2026 A vitamin A byproduct has been found to quietly disarm the immune system, allowing tumors to evade attack and weakening cancer vaccines. Scientists have now developed a drug that shuts ...