A blood osmolality test measures the blood for the concentration of certain dissolved particles. This test can show whether a person has an irregular balance of fluids in their body. Osmolality tests ...

If a drunken-driving suspect has enough sense to keep his mouth shut, no policeman can force him to admit how much alcohol he has under his belt. But what if the cop demands a blood sample which will ...

If you were born in the United States within the last 50 or so years, chances are good that one of the first things you did as a baby was give a DNA sample to the government. By the 1970s, states had ...

Brad Reisfeld is a professor of chemical and biological engineering, biomedical engineering, and public health at Colorado State University. Your blood serves numerous roles to maintain your health.

Learn about the many tests and examinations your blood sample undergoes in a lab. Giving a blood sample during a doctor’s visit is a common procedure. Discover the dizzying array of automated tests ...

Lancets are small devices that provide a way to take blood samples. People with diabetes may use a lancet to test and monitor their blood glucose levels. Regular testing can help people manage their ...

A novel testing platform under development by researchers at the Yale School of Public Health (YSPH) and CytoAstra, LLC could provide a new noninvasive test for malaria that doesn't require a blood ...

What Is a RDW Blood Test? An RDW blood test – also known as a red blood cell distribution width blood test – is a measure of the difference in your red blood cells’ size and volume. RDW is one part of ...

Basophils are the rarest type of white blood cell (WBC). Sometimes called granulocytes, the cells hold tiny granules full of histamine. Basophils can also trigger your allergic reaction. They can ...

It took many months and tens of thousands of volunteers to gather the data showing that the current crop of COVID-19 vaccines are safe and effective. But what if new vaccines are needed to deal with ...