I reassured him and sent him to get another blood specimen drawn without a tourniquet. Why? Because I suspected that the ...

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.

This article was originally featured on The Conversation. Your blood serves numerous roles to maintain your health. To carry out these functions, blood contains a multitude of components, including ...

NEW YORK (Reuters Health) - When a dipstick test suggests there's blood in the urine, the next step should be to examine a sample of the urine under a microscope to make sure the dipstick result is ...