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Articles on Blood test

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Pathology analyzes bodily fluids and tissues using a variety of methods. Alvaro Lavin/Moment via Getty Images

How do blood tests work? Medical laboratory scientists explain the pathway from blood draw to diagnosis and treatment

Lab testing provides doctors with essential information to help them diagnose and treat disease. Here’s what happens behind the scenes after you roll up your sleeve for a blood draw.
Researchers can test blood samples taken for other reasons to see if patients have previously had COVID-19. Don Bartletti/Los Angeles Times via Getty Images

COVID-19 official counts can miss mild cases – here’s how serosurveys that analyze blood for signs of past infection can help

Your blood can hold a record of past illnesses. That information can reveal how many people have had a certain infection – like 58% of Americans having had COVID-19 by the end of February 2022.
This device will provide results in a matter of minutes – while regular blood test results could take days or weeks. goodbishop/ Shutterstock

Schizophrenia: new blood test device could improve treatment

Blood samples help doctors know whether a treatment is effective or not – and this device can provide this information almost instantly.
Rapid blood tests for coronavirus could fill a large gap in knowledge. Taechit Taechamanodom/Moment via Getty Images

Coronavirus tests are pretty accurate, but far from perfect

Expanding coronavirus testing is one of the most important tasks public health officials are tackling right now. But questions over accuracy of the two main types of tests have rightly caused concern.
There are real consequences to ignoring children’s pain in hospital. These include increased sensitivity to pain, abnormal social behaviours when older and higher levels of anxiety before a future procedure. (Shutterstock)

Seven ways to soothe your child’s pain in the hospital

From broken limbs to blood tests, hospital visits can cause unnecessary pain for children. An emergency care pediatrician offers seven easy strategies for parents to lessen this pain.
Scientists have been looking for and finding ways to track various cancers in the blood for some time. from shutterstock.com

Can we use a simple blood test to detect cancer?

By measuring a cancer cell’s DNA in the bloodstream, scientists can get a snapshot of the cancer itself, which is referred as a “liquid biopsy”.

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