A blood test may predict if apparently healthy older adults are likely to develop Alzheimer’s symptoms in the next five or 10 years, researchers ...

A study led by biomedical scientist Erica Heinrich at the University of California, Riverside, highlights a critical gap in ...

Fact checked by Nick Blackmer Estrogen levels naturally fluctuate throughout life, so there’s no single “normal” ...

Do you simply remember that SpO2 is safe if it is 95% or higher, and dangerous if it drops below 90%? In reality, applying this understanding to certain patients, such as those with COPD, can lead to ...

A few minutes before 11 PM on Friday night, White House physician Dr. Sean Barbarella’s memo on President Donald Trump’s physical exam was released by the White House. Trump paid a visit to Walter ...

Normal blood oxygen saturation levels are 95% to 100%. Most people should have a blood oxygen level of at least 92%. If your blood oxygen level drops below 90%, it can be dangerous and requires ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Ellen Lee Ellen Lee is a writer focused on parenting and health gear. She has ...

To take a pulse oximetry reading, turn on the device, place it on your fingertip, sit still, and wait for a stable reading. Normal oxygen saturation levels range from 95% to 100%; levels below 92% may ...

This review synthesised existing evidence on racial disparities in pulse oximeter accuracy, quantified the degree of bias, evaluated clinical effects, highlighted implications for practice, and ...

Tiffany Kinyua is a psychology major with a minor in biology and she is a 2025-26 health care ethics intern at the Markkula Center for Applied Ethics at Santa Clara University. Views are her own.

Treating the monitor, not just the patient, can help to guide your clinical decision-making process toward a more accurate and definitive differential diagnosis. We’ve all heard the saying “treat the ...

Edema is a fancy term for swelling caused by too much fluid. So, pulmonary edema refers to a condition where there is too much fluid in your lungs, making it hard to breathe. Specifically, fluid ...