If you are living with diabetes, you've most likely had your blood or urine tested for ketones. When your body doesn't have ...

We ask experts about the difference between biological age and chronological age. Plus, do anti-aging hacks work?

Pulse oximetry is a noninvasive, painless test that measures the oxygen saturation level of your blood. Here’s how it works ...

Billion Labs, a company founded by electrical engineers at UC San Diego, wins a design award for their at-home health app.

ALS, the most common form of motor neuron disease, can take a long time to diagnose, but a blood test could help doctors spot ...

An eye test can reveal many conditions, from high blood pressure to thyroid disease and diabetes, and preserving good ...

Scientists have discovered a blood test that assesses lipid profiles to identify children susceptible to obesity-related ...

"When I was 18 and at university, one of my friends asked if I could see OK, as he had noticed me squinting. I had had an eye ...

A medical instructor has gone viral after telling viewers five ways your doctor's office might be measuring your blood ...

The Telegraph has seen a risk register report from Countess of Chester which shows a blood gas analyser was faulty between ...

A woman who was one of thousands of patients given an unreliable blood test result because of faulty hospital machinery says she will struggle to ever trust the NHS again.

Six-year-old Harry Lydiard and his 5-year-old assistance dog, Kowhai, have a life-changing relationship. Their relationship ...